HiFi Amplifiers for Home Audio & Stereo Systems

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Arylic Arylic H50

Arylic H50 is an all-in-one wireless stereo amplifier designed to bring modern streaming, powerful amplification, and flexible audio connectivity into one compact HiFi system. With 50W × 2 stereo amplification, ESS Sabre DAC, AirPlay 2, Spotify Connect, TIDAL Connect, HDMI ARC, phono input, Bluetooth 5.2 aptX HD, and multiple audio connections, H50 allows you to directly power passive speakers while connecting streaming services, vinyl turntables, TVs, computers, and other audio sources. Arylic Why it stands out Streaming Amplifier for Passive Speakers H50 combines a network streamer and stereo amplifier into one device. 50W × 2 stereo output Drives 4Ω and 8Ω passive speakers Built-in ESS9023P DAC WiFi and Bluetooth connectivity Complete Home Audio Hub Connect different audio sources in one system: Streaming services Vinyl turntables TV audio Computers Bluetooth devices USB music files Flexible Wireless Streaming Enjoy music through: AirPlay 2 Spotify Connect TIDAL Connect Bluetooth 5.2 aptX HD Multi-room audio systems Designed for Modern Stereo Systems H50 is ideal for compact HiFi setups: Bookshelf speakers Desktop audio systems Living room stereo systems 2.1 speaker setups with subwoofer Best for Users building a compact streaming stereo system Passive bookshelf speaker setups Adding modern streaming to existing speakers Vinyl and digital audio integration TV and music playback systems Not ideal for Users needing high-power amplification for large rooms Users looking for a separate high-end amplifier and streamer setup Users wanting a touchscreen music player EMiUZEK Buying Notes Arylic H50 is a streaming amplifier with built-in speaker amplification. Passive speakers can be connected directly without an additional power amplifier. The speaker impedance switch allows compatibility with both 4Ω and 8Ω passive speakers. HDMI ARC supports TV audio connection through compatible televisions. For best results, match speakers with H50’s power output range. FAQ Can Arylic H50 directly power passive speakers? Yes. H50 includes a built-in stereo amplifier and can directly drive passive speakers without requiring a separate amplifier. Typical setup: Streaming / TV / Turntable → H50 → Passive Speakers What speakers are suitable for Arylic H50? H50 is designed for 4Ω and 8Ω passive speakers. It is suitable for bookshelf speakers, desktop speakers, and compact home stereo systems. Can Arylic H50 connect to a turntable? Yes. H50 includes MM/MC phono input, allowing compatible turntables to connect directly without requiring a separate phono preamplifier. Can Arylic H50 connect to a TV? Yes. H50 supports HDMI ARC connection, allowing compatible TVs to send audio directly to the amplifier. Can Arylic H50 replace separate streamer and amplifier components? For many compact systems, yes. H50 combines network streaming, DAC conversion, and stereo amplification into one device, reducing the need for multiple components. Can Arylic H50 send audio to Bluetooth headphones or speakers? Yes. H50 supports Bluetooth transmission mode, allowing audio from connected sources to be sent to compatible Bluetooth devices. Does Arylic H50 support USB audio? Yes. H50 supports USB audio connection for computer playback and USB storage playback for compatible music files. Can Arylic H50 connect to a subwoofer? Yes. H50 includes a dedicated subwoofer output for connecting compatible powered subwoofers. HOW TO CONNECT Passive Speaker Setup Source icon: streamerSource: Streaming ServicesConnection: WiFi / EthernetOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: H50 directly powers passive speakers as a complete streaming amplifier. TV Audio Setup Source icon: TVSource: HDMI ARCConnection: HDMI CableOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Add TV audio playback to your stereo speaker system. Turntable Setup Source icon: turntableSource: Vinyl Record PlayerConnection: MM/MC Phono InputOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Connect compatible turntables directly to H50. Bluetooth Setup Source icon: smartphoneSource: Bluetooth DeviceConnection: BluetoothOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Enjoy wireless playback from mobile devices. Technical Specifications Streaming & Connectivity Feature Specification Streaming Protocols AirPlay 2, Spotify Connect, TIDAL Connect, DLNA, UPnP Network WiFi 2.4GHz / 5GHz, Ethernet Bluetooth Bluetooth 5.2 aptX HD Multi-Room Supported Amplifier Feature Specification Amplifier Type Stereo Amplifier Output Power 50W × 2 @ 4Ω Output Power 30W × 2 @ 8Ω Speaker Impedance 4Ω - 8Ω Audio Hardware Feature Specification DAC Chip ESS9023P Sabre DAC Audio Resolution Up to 24-bit / 192kHz Frequency Response 20Hz - 20kHz SNR >93dB Audio Inputs Feature Specification HDMI HDMI ARC Phono Input MM / MC Analog Input RCA Digital Input Optical USB USB DAC / USB Storage Playback Audio Outputs Feature Specification Speaker Output Passive Speakers Subwoofer Output Yes Bluetooth Output Supported Control Feature Specification Display 2.23" OLED Control App / Remote Control / Front Knob EQ 10-band EQ General Feature Specification Ethernet RJ45 10/100M Power Input 24V Dimensions 200 × 160 × 55 mm Recommended System Setup Setup Connection H50 + Passive Speakers Streaming → H50 → Passive Speakers H50 + TV TV → HDMI ARC → H50 → Speakers H50 + Turntable Turntable → H50 → Speakers H50 + Subwoofer H50 → Speakers + Powered Subwoofer What's in the box Arylic H50 ×1 Remote Control ×1 Power Adapter ×1 Antennas ×1 User Manual ×1 EMIUZEK Download Center Access product manuals, firmware updates, and additional support resources. Arylic H50 manuals and downloads: https://emiuzek.com/pages/download Additional Product Content Arylic H50 vs Arylic LA50 vs Arylic A100 Feature Arylic H50 Arylic LA50 Arylic A100 Product Position Streaming Stereo Amplifier Compact Streaming Amplifier High-Power All-in-One Amplifier Output Power 50W × 2 50W × 2 100W × 2 Speaker Type Passive Speakers Passive Speakers Passive Speakers DAC ESS9023P ESS9023P ESS9023P HDMI HDMI ARC HDMI ARC/eARC No Phono Input MM/MC No MM/MC Bluetooth Bluetooth 5.2 aptX HD Bluetooth 5.4 Bluetooth 5.0 Display OLED Display No Display OLED Display Subwoofer Output Yes Yes Line Output Main Focus Balanced streaming + connectivity Compact streaming system Higher power and more inputs

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$246.00 - $282.15

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Fosi Audio Fosi Audio ZA3

Fosi Audio ZA3 is a balanced Class D power amplifier that operates in stereo or high-power mono mode.Its TPA3255 platform, XLR/TRS and RCA inputs, active-subwoofer output and scalable architecture make it a flexible foundation for compact HiFi systems.Why it stands outFour reasons this product deserves a place in a well-planned audio system.Stereo or Mono OperationUse one ZA3 for a conventional stereo system or two units in mono mode for a scalable dual-mono installation.Balanced XLR/TRS InputThe combo balanced input helps reject interference and integrates with balanced DACs and preamplifiers.Active Subwoofer OutputA dedicated line-level output simplifies adding a powered subwoofer to a stereo system.Replaceable Op-AmpsSocketed op-amps let experienced users experiment with compatible DIP8 dual op-amps.Best for Balanced DAC and preamp systems Stereo passive-speaker systems Dual-mono amplifier upgrades 2.1 systems using a powered subwoofer Installations using 12V trigger control Not ideal for Users expecting Bluetooth, USB or digital inputs Buyers needing a headphone output Passive subwoofers without their own amplifier Buyers who have not checked whether their variant includes a power adapter EMiUZEK Buying Notes ZA3 is a power amplifier and requires an external source or preamp with suitable volume control. The subwoofer output is line level and is only for a powered subwoofer. Check the selected variant: amplifier-only, 32V/5A and 48V/5A power options are listed separately. Frequently Asked QuestionsCan one ZA3 power a stereo pair?Yes. Use stereo mode to power left and right passive speakers from one unit.When are two ZA3 amplifiers required?Use two units when building a dual-mono stereo system, with one amplifier assigned to each channel.Can it connect to an XLR source?Yes. The balanced combo input supports XLR and 1/4-inch TRS connections.Can it power a passive subwoofer?No. Its subwoofer output is line level and requires a powered subwoofer.Does it include Bluetooth or a DAC?No. Connect an external DAC, streamer or preamplifier through RCA or balanced input.Does every option include a power supply?No. Verify the selected product variant before ordering.HOW TO CONNECTBalanced stereo systemSource: Balanced DAC or preampConnection: XLR / 1/4-inch TRSOutput: Speaker terminalsTarget: Passive speaker pairNote: Set ZA3 to stereo mode.Dual-mono systemSource: Balanced DAC or preampConnection: One balanced channel to each ZA3Output: Speaker terminal in mono configurationTarget: One passive speaker per amplifierNote: Use two ZA3 units and set both to mono mode.2.1 stereo systemSource: DAC / preampConnection: RCA or balanced inputOutput: Speaker outputs plus sub-outTarget: Passive speakers and powered subwooferNote: Do not connect a passive subwoofer to sub-out.Technical SpecificationsAmplifier Feature Specification Product Type Stereo/mono Class D power amplifier Amplifier Chip Texas Instruments TPA3255 Speaker Impedance 2–8Ω Modes Stereo / PBTL mono Performance Feature Specification Rated Output with 48V/5A 155W x2 at 4Ω stereo; 235W x1 at 4Ω mono Rated Output with 32V/5A 95W x2 at 4Ω stereo; 110W x1 at 4Ω mono Frequency Response 20Hz–20kHz (±0.1dB) SINAD 89dB SNR ≥106dB THD <0.006% Dynamic Range ≥106dB Connectivity and Power Feature Specification Inputs RCA; XLR / 1/4-inch TRS balanced combo Outputs Passive speakers; active subwoofer line output Trigger 12V trigger input DC Input Range 24–48V Power Options 32V/5A or 48V/5A; variant dependent Recommended System Setup Setup Connection Stereo HiFi DAC/preamp → ZA3 stereo mode → passive speaker pair Dual mono Balanced preamp → two ZA3 units → passive speaker pair 2.1 system Source/preamp → ZA3 → passive speakers + powered subwoofer Additional Product Content Feature ZA3 V3 Mono TB10D Amplifier Format Stereo / mono selectable Monoblock Stereo Amplifier Chip TPA3255 TPA3255 TPA3255 Inputs XLR/TRS, RCA XLR, RCA RCA Stereo from One Unit Yes No Yes Mono Mode Yes Always mono No Active Subwoofer Output Yes No No 12V Trigger Input No No Tone Controls No No Bass, treble Op-Amp Rolling Yes Yes No Best Use Flexible balanced stereo/mono Dedicated monoblocks Simple adjustable stereo

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$109.99 - $149.99

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Arylic Arylic A30+

Arylic A30+ is a compact WiFi and Bluetooth stereo amplifier designed to bring wireless streaming and easy amplification to desktop audio systems, bookshelf speakers, and small home HiFi setups. With built-in stereo amplification, WiFi streaming, Bluetooth connectivity, USB audio support, and multiple input options, A30+ allows you to upgrade traditional passive speakers with modern wireless audio features while keeping your system simple and compact. Why it stands out Compact Streaming Amplifier A30+ combines wireless streaming and stereo amplification in a small form factor, making it easy to build a compact HiFi system. 30W × 2 stereo amplification Direct connection to passive speakers WiFi and Bluetooth connectivity Compact desktop-friendly design Smart Wireless Audio Upgrade A30+ adds modern streaming features to traditional speaker systems. AirPlay Spotify Connect DLNA / UPnP Bluetooth playback Network music playback USB Audio and Local Music Playback Flexible digital connections allow A30+ to work with computers and local music sources. USB audio connection for computer playback USB storage playback Digital music integration Simple Control and Flexible Installation A30+ is designed for easy daily operation with: App control Remote control Multiple audio input options Compact installation in small spaces Best for Desktop speaker systems Small bookshelf speaker setups Bedroom and office audio systems Users upgrading traditional passive speakers Compact WiFi streaming setups Not ideal for Large floor-standing speakers requiring high power Home theater systems needing HDMI ARC Users looking for vinyl playback with phono input Users requiring a high-power stereo amplifier EMiUZEK Buying Notes Arylic A30+ is a compact streaming amplifier, not only a Bluetooth amplifier. Passive speakers can be connected directly without an additional power amplifier. It is designed for small and medium speaker systems where space and simplicity are important. For larger rooms or higher-power speaker systems, consider a more powerful streaming amplifier. FAQ Can Arylic A30+ directly power passive speakers? Yes. A30+ includes a built-in stereo amplifier and can directly drive passive speakers without requiring a separate amplifier. Typical setup: Streaming Source → A30+ → Passive Speakers What speakers are suitable for Arylic A30+? A30+ is designed for compact bookshelf speakers, desktop speakers, and small stereo systems. It works with compatible 4Ω–8Ω passive speakers. Can Arylic A30+ connect to a computer? Yes. A30+ supports USB audio connection, allowing it to work as a compact desktop audio amplifier with a computer. Can Arylic A30+ stream music over WiFi? Yes. A30+ supports WiFi network playback through compatible streaming platforms and protocols. Can Arylic A30+ play music from USB storage? Yes. The USB port supports playback from compatible USB storage devices. Does Arylic A30+ support Bluetooth playback? Yes. A30+ supports Bluetooth wireless playback from smartphones, tablets, and other compatible devices. Can Arylic A30+ be used in a multi-room system? Yes. A30+ can be used with compatible Arylic streaming devices for multi-room audio setups. Does Arylic A30+ support high-resolution audio? Yes. A30+ supports high-resolution audio playback up to 24-bit/192kHz with compatible sources. HOW TO CONNECT Desktop Audio Setup Source icon: computerSource: PC / MacConnection: USB AudioOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Build a compact desktop HiFi system with A30+. Wireless Streaming Setup Source icon: smartphoneSource: Streaming ServicesConnection: WiFi / BluetoothOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Add wireless streaming capability to traditional speakers. Analog Audio Setup Source icon: external audio deviceSource: Audio SourceConnection: 3.5mm Line InputOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Connect traditional audio sources to a compact streaming amplifier. Technical Specifications Amplifier Feature Specification Amplifier Type Class D Stereo Amplifier Output Power 30W × 2 Speaker Impedance 4Ω–8Ω Streaming & Connectivity Feature Specification Streaming Protocols AirPlay, Spotify Connect, DLNA, UPnP Network WiFi 2.4GHz Bluetooth Bluetooth 5.0 Multi-Room Supported Audio Inputs Feature Specification Analog Input 3.5mm Line Input USB USB Host Playback USB Audio USB DAC Connection Audio Outputs Feature Specification Speaker Output Passive Speakers Audio Performance Feature Specification Audio Resolution Up to 24-bit / 192kHz Frequency Response 20Hz–20kHz THD+N 0.03% General Feature Specification Power Input 15V / 4A Control App / Remote Control Dimensions Compact Mini Design Recommended System Setup Setup Connection A30+ + Passive Speakers Streaming → A30+ → Speakers A30+ + Computer PC → USB → A30+ → Speakers A30+ + External Source Audio Device → Line Input → A30+ → Speakers What's in the box Arylic A30+ ×1 Remote Control ×1 Power Adapter ×1 Audio Cable ×1 Speaker Connector ×1 User Manual ×1 EMIUZEK Download Center Access product manuals, firmware updates, and additional support resources. Arylic A30+ manuals and downloads: https://emiuzek.com/pages/download Additional Product Content Arylic A30+ vs Arylic LA50 vs Arylic H50 Feature Arylic A30+ Arylic LA50 Arylic H50 Product Position Compact Streaming Amplifier Streaming Amplifier All-in-One Stereo Amplifier Output Power 30W × 2 50W × 2 50W × 2 Main Focus Desktop and compact systems Flexible speaker streaming system Complete stereo integration HDMI ARC No Yes Yes Phono Input No No MM/MC USB Audio Yes Yes Yes Bluetooth Bluetooth 5.0 Bluetooth 5.4 Bluetooth 5.2 aptX HD Subwoofer Output No Yes Yes Best Use Desktop / bedroom / small rooms Bookshelf speakers / living room Vinyl + streaming HiFi systems

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$116.00 - $125.40

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Fiio FiiO BR15 R2R

FiiO BR15 R2R is a high-resolution Bluetooth receiver and desktop DAC designed to upgrade modern and traditional HiFi systems. Featuring a fully differential 24-bit R2R DAC, advanced Bluetooth decoding, USB DAC functionality, and balanced XLR/RCA outputs, BR15 R2R delivers flexible high-quality digital audio connectivity for home audio systems. Why it stands out True R2R DAC Architecture BR15 R2R uses a fully differential R2R DAC design to deliver detailed and natural sound reproduction with high-resolution audio sources. High-Quality Wireless Audio Upgrade Advanced Bluetooth decoding with modern high-resolution codecs allows wireless music playback with excellent sound quality. Flexible Digital Audio Hub With USB, optical, coaxial, RCA, and XLR connectivity, BR15 R2R easily integrates into different HiFi systems. Compact Desktop HiFi Solution Its desktop design provides a simple way to add premium decoding and wireless capability to existing audio equipment. Best for Upgrading traditional amplifiers Active speaker systems Desktop HiFi setups Bluetooth high-resolution audio systems Users wanting R2R DAC performance Not ideal for Users needing a headphone amplifier Users looking for a WiFi streaming player Users requiring a speaker power amplifier Users wanting a portable DAC solution EMiUZEK Buying Notes FiiO BR15 R2R is a Bluetooth receiver and DAC, not a power amplifier. It cannot directly drive passive speakers. Connect it to an amplifier, receiver, or powered speakers for audio playback. For wireless playback, use compatible Bluetooth devices with supported codecs. FAQ Does FiiO BR15 R2R have a built-in headphone amplifier? No. BR15 R2R is mainly designed as a Bluetooth receiver and DAC with line-level outputs. Can FiiO BR15 R2R connect to an amplifier? Yes. It can connect to amplifiers through RCA or balanced XLR outputs. What DAC does FiiO BR15 R2R use? It uses a fully differential 24-bit R2R DAC architecture designed by FiiO. Does FiiO BR15 R2R support LDAC and aptX Lossless? Yes. It supports high-resolution Bluetooth codecs including LDAC and aptX Lossless. Can FiiO BR15 R2R work with active speakers? Yes. The RCA and XLR outputs allow connection to compatible powered speakers. Does FiiO BR15 R2R support USB DAC mode? Yes. It can be connected to computers through USB for high-resolution digital audio playback. Does FiiO BR15 R2R support WiFi streaming? No. BR15 R2R focuses on Bluetooth, USB, optical, and coaxial audio input rather than network streaming. HOW TO CONNECT Bluetooth HiFi Upgrade Source icon: SmartphoneSource: Bluetooth MusicConnection: BluetoothOutput connection: RCA / XLRTarget icon: Amplifier or Active SpeakersOutput: Wireless HiFi System Note: Upgrade traditional audio systems with high-quality Bluetooth playback. USB DAC Setup Source icon: ComputerSource: High Resolution MusicConnection: USBOutput connection: RCA / XLRTarget icon: AmplifierOutput: Desktop HiFi System Note: Use BR15 R2R as a desktop DAC. Digital Audio Setup Source icon: CD Player / TV / Digital SourceSource: Optical / CoaxialConnection: Digital InputOutput connection: Analog OutputTarget icon: AmplifierOutput: HiFi Audio System Note: Add high-quality DAC conversion to digital sources. Technical Specifications DAC Feature Specification DAC Architecture Fully Differential 24-bit R2R USB DAC Resolution Up to 32-bit / 384kHz DSD Support Up to DSD256 PEQ 10-band Parametric EQ Bluetooth Feature Specification Bluetooth Chip Qualcomm QCC5181 Bluetooth Version Bluetooth 5.4/6.0 class chipset LDAC Supported aptX Lossless Supported aptX Adaptive Supported AAC / SBC Supported Inputs Feature Specification USB Audio Input Supported Optical Input Supported Coaxial Input Supported Bluetooth Input Supported Outputs Feature Specification RCA Line Output Supported XLR Balanced Output Supported Optical Output Supported Coaxial Output Supported Recommended System Setup Setup Connection Amplifier Upgrade Phone → BR15 R2R → Amplifier → Speakers Active Speaker System Phone / PC → BR15 R2R → Active Speakers Desktop DAC System Computer → BR15 R2R → Amplifier → Speakers What's in the box FiiO BR15 R2R ×1 Power Cable ×1 USB Cable ×1 Remote Control ×1 User Manual ×1 Download Center Access product manuals, technical documents, and support resources. https://emiuzek.com/pages/download Additional Product Content FiiO BR15 R2R vs FiiO BR13 Feature BR15 R2R BR13 Product Position R2R Bluetooth DAC Bluetooth DAC Receiver DAC Architecture 24-bit R2R Traditional DAC Bluetooth High-resolution Bluetooth Bluetooth Receiver XLR Output Yes No RCA Output Yes Yes USB DAC Yes Limited Best Focus R2R sound + HiFi system upgrade Affordable wireless upgrade

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$163.53 - $199.00

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Arylic Arylic LA50

Arylic LA50 is a compact streaming amplifier designed to bring modern wireless streaming and powerful amplification to traditional passive speaker systems. With built-in 50W × 2 amplification, high-resolution streaming, HDMI ARC, Bluetooth, USB audio, and multiple digital and analog inputs, LA50 allows you to build a complete stereo system without needing separate streamer and amplifier components. Why it stands out Streaming Amplifier for Passive Speakers LA50 combines network streaming and stereo amplification in one compact device. 50W × 2 power output AirPlay 2 and Google Cast Spotify Connect and TIDAL Connect Built-in amplifier for passive speakers Connect Your Entire Audio System LA50 supports multiple audio sources: Streaming services TV audio Computers USB music files External audio devices TV and Home Audio Integration With HDMI ARC/eARC support, LA50 can connect directly to compatible TVs and become the center of a compact entertainment system. Flexible Stereo Setup LA50 supports: Passive bookshelf speakers Desktop audio systems Living room stereo setups Compact 2.1 systems with subwoofer Best for Upgrading passive speakers with modern streaming Building a compact stereo system Desktop and bookshelf speaker setups Users wanting streaming and amplification in one device TV + music combination systems Not ideal for Users needing high-power amplification for large speakers Users wanting separate high-end amplifier and streamer components Users looking for a touchscreen music player EMiUZEK Buying Notes Arylic LA50 is a streaming amplifier with built-in speaker power output. It can directly drive passive speakers; no separate power amplifier is required. For best performance, use speakers that match LA50’s power range. HDMI connection supports TV audio integration through compatible ARC/eARC devices. FAQ Can Arylic LA50 directly power passive speakers? Yes. LA50 includes a built-in stereo amplifier and can directly drive passive speakers without requiring an additional amplifier. Typical setup: Streaming / TV → LA50 → Passive Speakers What speaker types work best with Arylic LA50? LA50 is designed for bookshelf speakers, desktop speakers, and compact stereo systems. It delivers up to 50W × 2 at 4Ω and is suitable for many small to medium-sized speaker setups. Can Arylic LA50 replace a separate streamer and amplifier? For many compact systems, yes. LA50 combines network streaming and amplification into one device, reducing the need for separate components. Can Arylic LA50 connect to a TV? Yes. LA50 supports HDMI ARC/eARC connection, allowing compatible TVs to send audio directly to the amplifier. Can Arylic LA50 connect to a subwoofer? Yes. LA50 includes a dedicated subwoofer output for compatible powered subwoofers. Can Arylic LA50 play music from USB storage? Yes. The USB port supports playback from compatible USB storage devices. Does Arylic LA50 support Bluetooth? Yes. LA50 supports Bluetooth transmission and reception, allowing wireless playback from mobile devices and connection with compatible Bluetooth audio devices. Does Arylic LA50 support high-resolution audio? Yes. LA50 supports high-resolution audio playback up to 24-bit/192kHz with compatible sources. HOW TO CONNECT Passive Speaker Setup Source icon: streamerSource: Streaming ServicesConnection: WiFi / EthernetOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Use LA50 as an all-in-one streaming amplifier system. TV Audio Setup Source icon: TVSource: HDMI ARC/eARCConnection: HDMI CableOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Add TV audio playback to your stereo speaker system. Computer Audio Setup Source icon: computerSource: PC / MacConnection: USB DACOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Use LA50 as a desktop audio amplifier. Subwoofer Setup Source icon: amplifierSource: LA50Connection: Subwoofer OutputTarget icon: subwooferOutput: Powered Subwoofer Note: Expand the system with additional low-frequency performance. Technical Specifications Streaming & Connectivity Feature Specification Streaming Protocols AirPlay 2, Google Cast, Spotify Connect, TIDAL Connect, Qobuz Connect Network Dual-band WiFi 2.4GHz / 5GHz, Ethernet Bluetooth Bluetooth 5.4 TX/RX Multi-Room Supported Amplifier Feature Specification Amplifier Type Class D Output Power 50W × 2 @ 4Ω Output Power 30W × 2 @ 8Ω Speaker Output Passive Speakers Audio Hardware Feature Specification DAC Chip ESS9023P Audio Resolution Up to 24-bit / 192kHz Frequency Response 20Hz-20kHz ±1dB Audio Inputs Feature Specification HDMI ARC/eARC Optical Input Supported Analog Input RCA Line In USB USB Host Playback / USB DAC Audio Outputs Feature Specification Speaker Output Banana Plug Compatible Subwoofer Output Yes General Feature Specification Network Port RJ45 Ethernet Control App / Remote Control / Front Knob Recommended System Setup Setup Connection LA50 + Passive Speakers Streaming → LA50 → Passive Speakers LA50 + TV TV → HDMI ARC/eARC → LA50 → Speakers LA50 + Computer PC → USB → LA50 → Speakers LA50 + Subwoofer LA50 → Subwoofer + Speakers What's in the box Arylic LA50 ×1 Remote Control ×1 Power Adapter ×1 Speaker Cable ×1 User Manual ×1 EMIUZEK Download Center Access product manuals, firmware updates, and additional support resources. Arylic LA50 manuals and downloads: https://emiuzek.com/pages/download Additional Product Content Arylic LA50 vs Arylic LP100 vs WiiM Amp Feature Arylic LA50 Arylic LP100 WiiM Amp Product Position Streaming Amplifier Streamer + DAC + Preamp Hub Streaming Amplifier Built-in Amplifier Yes No Yes Speaker Output 50W × 2 No 60W × 2 Passive Speakers Direct Connection Requires Power Amplifier Direct Connection HDMI TV Connection HDMI ARC/eARC HDMI eARC HDMI ARC DAC ESS9023P AKM AK4493EQ ESS9038Q2M Phono Input No MM/MC No Subwoofer Output Yes Yes Yes USB Audio Yes Yes Yes Bluetooth TX/RX TX/RX RX Best Focus Compact streaming stereo system Flexible HiFi system hub Smart streaming amplifier

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$249.00 - $257.45

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Fiio FiiO K11 R2R

FiiO K11 R2R is a compact desktop DAC and headphone amplifier for listeners who specifically want an affordable resistor-ladder design rather than the more conventional delta-sigma architecture used in the standard K11. Its four-channel fully differential 24-bit R2R network uses 192 precision thin-film resistors and offers selectable NOS and OS playback. USB-C, optical and coaxial inputs cover common desktop and television sources, while 6.35mm and 4.4mm headphone outputs plus RCA line and preamplifier modes allow it to serve both headphones and a stereo system.Why it stands out Affordable true R2R conversion FIIO’s four-channel fully differential 24-bit resistor ladder uses 192 precision thin-film resistors, making the K11 R2R a practical entry point for listeners who want to try R2R conversion without buying a separate high-priced DAC. NOS and OS modes with clearly different purposes NOS sends the signal through the ladder without digital oversampling, while OS upsamples to 384kHz before conversion. The two modes let you compare a more direct R2R presentation with a cleaner, more controlled alternative. Useful power across balanced and single-ended headphones The 4.4mm balanced output reaches up to 1300mW + 1300mW at 32Ω, while the 6.35mm output, three gain levels and electronic volume control support a wider range of full-size headphones and earphones. Compact DAC, headphone amplifier and preamplifier in one Use USB-C, optical or coaxial input, listen through headphones, or switch the RCA output between fixed line level and variable preamplifier mode for an external amplifier or active speakers.Best for Listeners who specifically want to try R2R and compare NOS with OS playback Compact PC or Mac headphone systems using USB-C Television headphone systems using optical PCM output Users who want one desktop unit for both headphones and RCA-equipped stereo systems Not ideal for Users who want Bluetooth reception or wireless-headphone transmission Turntables, cassette decks or other sources that require an analog input Systems that require balanced XLR line output Users seeking the lowest measured distortion and noise rather than the R2R presentation Portable use or direct connection to passive speakers EMiUZEK Buying Notes K11 R2R and the standard K11 are different sound and feature choices, not simple old and new versions. Choose the R2R model for its resistor ladder and NOS/OS modes; choose the standard K11 if conventional delta-sigma conversion and stronger measured noise and distortion performance matter more. There is no Bluetooth or analog input. Phones and computers need USB audio, while televisions and digital transports need compatible optical or coaxial output. The highest quoted 1300mW + 1300mW power is from the 4.4mm balanced output at 32Ω. The 6.35mm output has different power figures, so do not compare them as if they were identical. For very sensitive earphones, begin with low gain and low volume. Buyers who prioritize the lowest possible noise floor should compare the standard K11 before ordering. The rear RCA sockets can provide fixed line output or variable preamplifier output, but there is no balanced XLR line output and passive speakers still require a separate amplifier. FAQ Should I buy the K11 R2R or the standard K11? Choose K11 R2R if the resistor-ladder design, fuller vocal presentation and the ability to switch between NOS and OS are the main reasons for buying. The standard K11 uses a conventional delta-sigma DAC, offers digital-filter choices and has better measured distortion and noise performance. The R2R version is an alternative tuning and architecture, not an automatic upgrade in every area. What actually changes when I switch between NOS and OS? NOS avoids digital oversampling and preserves the direct R2R conversion path; many listeners choose it for a denser, more relaxed presentation. OS upsamples to 384kHz before conversion and generally presents edges and detail more cleanly. The setting does not increase amplifier power, and the preferred mode depends on the headphones and recording. Will it drive my headphones, and do I need a 4.4mm cable? A 6.35mm headphone can be used normally and does not need to be recabled. The 4.4mm balanced output provides the highest power—up to 1300mW + 1300mW at 32Ω—and is useful for compatible, less sensitive headphones. Choose low, medium or high gain according to headphone sensitivity and start with the volume low. Is the K11 R2R suitable for sensitive IEMs? It can be used with IEMs through the 6.35mm output and low gain, but the R2R model does not have the lowest noise figures in the K11 family. Extremely sensitive earphones may reveal more background noise than less sensitive headphones; buyers who consider silence between tracks the top priority should compare the standard K11. Can I use it with active speakers or an existing amplifier? Yes. Connect the rear RCA output to an amplifier or active speakers. Use LO for a fixed-level signal when another device controls volume, or PRE when you want the K11 R2R knob to control the output level. It has no XLR line output and cannot power passive speakers directly. Can I connect a television? Yes, through optical input when the television can output two-channel PCM. If there is no sound, change the TV’s digital-audio setting from Dolby or bitstream to PCM. The K11 R2R does not include HDMI ARC. Does it support Bluetooth or analog input? No. It has no Bluetooth receiver, Bluetooth transmitter or analog audio input. Available sources are USB-C, optical and coaxial digital audio. Can the coaxial socket work as a digital output? Yes, but only when USB is selected as the input. It is not a general-purpose digital pass-through for optical or coaxial input sources. Does it need a driver on Windows, Mac or a game console? Mac computers normally use USB Audio without an additional driver. Windows users may need FIIO’s USB driver for the highest sample rates and native DSD. UAC 1.0 mode improves compatibility with devices that do not support UAC 2.0, although the available formats may be reduced.HOW TO CONNECT Computer and wired headphones Source icon: ComputerSource: PC / MacConnection: USB-COutput connection: Headphone outputTarget icon: HeadphonesOutput: 6.35mm / 4.4mm Note: Select USB input, choose low, medium or high gain for the headphones, and begin with the volume low. TV and wired headphones Source icon: TVSource: TelevisionConnection: OpticalOutput connection: Headphone outputTarget icon: HeadphonesOutput: 6.35mm / 4.4mm Note: Set the television’s digital-audio output to two-channel PCM; Dolby or bitstream output may produce no sound. Digital source to amplifier or active speakers Source icon: Streaming ServiceSource: Computer / digital transportConnection: USB-C / optical / coaxialOutput connection: RCA LO / PRETarget icon: AmplifierOutput: Amplifier / active speakers Note: Use LO when the receiving device controls volume, or PRE when the K11 R2R controls volume. Passive speakers require an amplifier.Technical Specifications Feature Specification Product type Desktop DAC and headphone amplifier DAC architecture FiiO-developed four-channel fully differential 24-bit R2R resistor array Resistor network 192 precision thin-film resistors, 0.1% tolerance Operating modes NOS / OS System controller GD32F303RE USB receiver SA9312L Amplifier stage 2 × SGM8262 Volume control NJW1195A electronic volume controller USB-C decoding PCM up to 384kHz/32-bit; native DSD256 Optical decoding PCM up to 96kHz/24-bit Coaxial input decoding PCM up to 192kHz/24-bit USB Audio modes UAC 1.0 / UAC 2.0 Coaxial digital output Available only when USB is selected as the input Digital inputs USB-C, Toslink optical, coaxial RCA Headphone outputs 6.35mm single-ended; 4.4mm balanced Analog line output Stereo RCA Output modes PO: headphone output; PRE: variable RCA; LO: fixed-level RCA 6.35mm output power ≥660mW + 660mW at 16Ω; ≥460mW + 460mW at 32Ω; ≥50mW + 50mW at 300Ω Output impedance <1Ω 6.35mm SNR / noise floor ≥115dB A-weighted / <7.2μV A-weighted 6.35mm performance THD+N approx. 0.025%; dynamic range ≥107dB; crosstalk ≥72dB 4.4mm balanced output power ≥520mW + 520mW at 16Ω; ≥1300mW + 1300mW at 32Ω; ≥220mW + 220mW at 300Ω Output impedance <1.5Ω 4.4mm SNR / noise floor ≥115dB A-weighted / <14.1μV A-weighted 4.4mm performance THD+N approx. 0.025%; dynamic range ≥107dB; crosstalk ≥107dB RCA line output level 2.7Vrms RCA SNR / noise floor ≥115dB A-weighted / <5.1μV A-weighted RCA performance THD+N approx. 0.025% at 1kHz/10kΩ; dynamic range ≥107dB; crosstalk ≥111dB Power input DC 12V / 2A; no internal battery Dimensions 147 × 133 × 32.3mm Weight Approx. 420g What's in the box, manuals and downloads FiiO K11 R2R ×1 Power Adapter ×1 Power Cable ×1 USB Data Cable ×1 6.35mm Headphone Adapter ×1 Quick Start Guide ×1 Warranty Card ×1 Visit the EMiUZEK download center.

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$139.49 - $175.99

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Fosi Audio Fosi Audio T20X

Fosi Audio T20X is a Bluetooth vacuum-tube integrated amplifier for passive speakers and wired headphones.Its upgraded 100W x2 output, replaceable tubes and bass/treble controls create a compact all-in-one amplifier for desktop and bookshelf systems. Why it stands outFour reasons this product deserves a place in a well-planned audio system.100W x2 Maximum OutputThe Class D power stage provides more headroom than the T20 for compatible passive speakers.Replaceable Tube StageTube rolling lets experienced users experiment with compatible tube options.Two Listening OutputsDrive passive speakers or use the 3.5mm headphone connection from the same amplifier.Simple Wireless and Analog PlaybackBluetooth and analog input cover the most common phone, streamer and DAC setups without a complex interface. Best for Bookshelf passive-speaker systems Bluetooth desktop audio Combined speaker and headphone listening Listeners wanting tube character with higher output than the T20 Not ideal for Users requiring optical, USB or HDMI audio Balanced XLR systems Turntables without phono amplification Systems needing a dedicated subwoofer output EMiUZEK Buying Notes T20X is an integrated amplifier and can directly drive compatible 2–8Ω passive speakers. Its analog input is line level; use a phono preamp with a conventional turntable. The maximum output figure depends on speaker impedance, supply voltage and test conditions. Frequently Asked QuestionsCan the T20X drive passive speakers?Yes. It is an integrated amplifier with passive-speaker outputs.Can it connect to a turntable?Yes when the turntable has a built-in phono preamp or an external phono preamp is used.Does it include a headphone output?Yes, a 3.5mm wired headphone output is provided.Does it support optical or USB audio?No. Use Bluetooth or the analog input.Can the vacuum tubes be replaced?Yes. Use compatible tubes and switch the amplifier off before tube replacement.Can I connect an active subwoofer?No dedicated subwoofer output is specified; use a compatible system-level integration method. HOW TO CONNECTBluetooth stereoSource: Phone / tabletConnection: BluetoothOutput: Speaker terminalsTarget: Passive speakersNote: Keep initial volume low when pairing.Wired HiFiSource: Streamer / DAC / CD playerConnection: Analog line inputOutput: Speaker terminalsTarget: Passive speakersNote: Use a line-level source.Headphone systemSource: Bluetooth or analog sourceConnection: Bluetooth / line inputOutput: 3.5mm headphone outputTarget: Wired headphonesNote: Disconnect or lower speaker listening as appropriate. Technical SpecificationsAmplifier Feature Specification Product Type Bluetooth tube integrated amplifier Amplifier Chip TI TPA3221 Maximum Output 100W x2 at 4Ω Speaker Impedance 2–8Ω Audio Feature Specification Frequency Response 20Hz–20kHz (±1dB) THD ≤0.3% SNR ≥86dB Input Sensitivity ≤650mV Connectivity and Power Feature Specification Inputs Bluetooth; analog line input Outputs Passive speaker terminals; 3.5mm headphone Power Supply 24V/4.5A included DC Input Range 12–30V Recommended System Setup Setup Connection Wireless speaker system Phone → Bluetooth → T20X → passive speakers Wired stereo Streamer/DAC → line input → T20X → passive speakers Headphones Source → T20X → 3.5mm headphones Additional Product Content Feature T20X T20 P3 Product Position Higher-power tube integrated amp Compact tube integrated amp Tube preamp / headphone amp Passive Speaker Amplifier Yes Yes No Maximum Speaker Output 100W x2 at 4Ω 50W x2 at 4Ω Not applicable Inputs Bluetooth, line input Bluetooth 5.0, RCA Bluetooth, RCA Headphone Output 3.5mm 3.5mm 3.5mm Tone Controls Bass, treble Bass, treble Bass, treble Tube Rolling Compatible tubes Compatible tubes Compatible tubes Best Use More speaker headroom Compact speaker system Existing amplifier / active speakers

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$75.06 - $99.90

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Fosi Audio Fosi Audio T20

Fosi Audio T20 is a compact Bluetooth tube integrated amplifier for passive speakers and wired headphones.It combines 50W x2 Class D speaker power with replaceable vacuum tubes, RCA input and tone controls for a warm, flexible desktop stereo system. Why it stands outFour reasons this product deserves a place in a well-planned audio system.Tube-Buffered SoundReplaceable vacuum tubes add the tube stage and allow compatible tube rolling.Speaker and Headphone ListeningThe T20 powers passive speakers and also provides a front 3.5mm headphone output.Bluetooth and RCA InputsSwitch between convenient wireless playback and a conventional analog source.Compact Tone ControlIndependent bass and treble controls make it easier to adapt the system to speakers, headphones and room acoustics. Best for Desktop passive-speaker systems Bluetooth music playback Headphone and speaker listening from one compact amplifier Listeners interested in compatible tube rolling Not ideal for Users requiring optical, USB or HDMI inputs Balanced XLR audio systems Turntables without a built-in or external phono preamp Users needing a dedicated subwoofer output EMiUZEK Buying Notes T20 is an integrated speaker amplifier and can directly drive compatible 4–8Ω passive speakers. Its RCA input is line level; a conventional turntable requires a separate phono preamplifier. The 3.5mm jack is a headphone output, not a microphone connection. Frequently Asked QuestionsCan the T20 drive passive speakers directly?Yes. Connect a compatible 4–8Ω passive speaker pair to the rear speaker terminals.Can I connect a turntable?Yes only when the turntable has a built-in phono preamp or is used with an external phono preamp.Does it work as a headphone amplifier?Yes, it includes a front 3.5mm headphone output.Does it accept digital audio?No. Inputs are Bluetooth and analog RCA; optical and USB audio are not provided.Can the tubes be replaced?Yes. Use only compatible tube types and power the unit off before replacement.Does it have a subwoofer output?No dedicated subwoofer output is specified. Use a subwoofer integration method supported by your wider system. HOW TO CONNECTBluetooth speaker systemSource: Phone / tabletConnection: BluetoothOutput: Speaker terminalsTarget: Passive speakersNote: Pair the source and set volume low before playback.Wired stereo systemSource: DAC / streamer / CD playerConnection: RCA line inputOutput: Speaker terminalsTarget: Passive speakersNote: Use a fixed or controlled line-level source.Headphone listeningSource: Phone via Bluetooth or RCA sourceConnection: Bluetooth / RCAOutput: 3.5mm headphone outputTarget: Wired headphonesNote: Lower volume before inserting headphones. Technical SpecificationsAmplifier Feature Specification Product Type Bluetooth tube integrated amplifier Amplifier Chip TI TPA3116 Maximum Speaker Output 50W x2 at 4Ω Speaker Impedance 4–8Ω Connectivity Feature Specification Inputs Bluetooth 5.0; RCA line input Outputs Passive speaker terminals; 3.5mm headphone Tone Controls Bass and treble Audio Feature Specification Vacuum Tubes Replaceable 6K4 pair Frequency Response 20Hz–20kHz (±1.5dB) THD ≤0.04% SNR ≥99dB Recommended System Setup Setup Connection Wireless stereo Phone → Bluetooth → T20 → passive speakers Wired stereo Streamer/DAC → RCA → T20 → passive speakers Headphones Source → T20 → 3.5mm headphones Additional Product Content Feature T20 T20X P3 Product Position 50W x2 tube integrated amp 100W x2 tube integrated amp Tube preamp / headphone amp Passive Speaker Amplifier Yes Yes No Inputs Bluetooth 5.0, RCA Bluetooth, AUX Bluetooth, RCA Speaker Output 50W x2 max at 4Ω 100W x2 max at 4Ω None Headphone Output 3.5mm 3.5mm 3.5mm Tone Controls Bass, treble Bass, treble Bass, treble Tube Rolling Compatible tubes Compatible tubes Compatible tubes Best Use Compact speaker/headphone system Higher-power speaker system Add tube preamp/headphone stage

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$89.90 - $99.37

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Fosi Audio Fosi Audio HT4S

Fosi Audio HT4S is a compact 4.1/5.0-channel integrated amplifier for multi-speaker, outdoor-audio and simulator systems.Bluetooth, optical and 3.5mm inputs, five amplified channels and a switchable sub/center channel create a flexible multi-speaker system without a full-size AV receiver.Why it stands outSwitchable 4.1 or 5.0 operationConfigure four main speakers plus a subwoofer channel, or use five full-range speaker channels.Built-in multi-channel powerProvides four 30W channels plus a 60W sub channel in 4.1 mode, or five 30W channels in 5.0 mode.Digital and wireless inputsConnect optical PCM, 3.5mm analog or Bluetooth sources.Remote and front-panel controlAdjust source, volume, tone and operation without a separate controller.Best for Outdoor and patio multi-speaker systems Sim-racing bass-shaker installations Compact 4.1 or 5.0 speaker systems TV systems with optical PCM output Not ideal for Dolby or DTS surround decoding Systems requiring HDMI ARC Speakers below the specified 4Ω minimum EMiUZEK Buying Notes HT4S is a multi-channel amplifier, not an HDMI adapter or surround-sound decoder. Set the source to PCM stereo when using optical; encoded Dolby/DTS signals are not supported. The SUB/CEN output changes function with the selected mode, so confirm the switch setting before connecting speakers. Frequently asked questionsDoes HT4S have HDMI?No. Inputs are Bluetooth, optical and 3.5mm AUX.Does it decode Dolby or DTS?No. Use a compatible PCM signal.Can it run five passive speakers?Yes, in 5.0 mode with compatible 4–8Ω speakers.Can it power a passive subwoofer?Yes, in 4.1 mode through the dedicated amplified SUB/CEN channel.Does it have a line output?Yes, a 3.5mm pre-out is provided.Can it be used outdoors?It can power outdoor speakers, but the amplifier itself should remain protected indoors.HOW TO CONNECTOptical TV systemSource icon: tvSource: TV / projectorConnection: Optical PCMOutput connection: Speaker terminalsTarget icon: speakersOutput: Four or five passive speakersOutdoor multi-speaker systemSource icon: phoneSource: Phone / streamerConnection: Bluetooth or AUXOutput connection: Speaker terminalsTarget icon: speakersOutput: Outdoor passive speakersSim-racing systemSource icon: computerSource: PC / simulator audioConnection: Optical, AUX or BluetoothOutput connection: Speaker and SUB/CEN outputsTarget icon: speakersOutput: Speakers and compatible bass shaker / passive subwooferTechnical SpecificationsConnections Feature Specification Inputs Bluetooth; optical; 3.5mm AUX Outputs Five speaker channels; 3.5mm pre-out Speaker impedance 4–8Ω Amplification and physical Feature Specification 4.1 rated output 30W × 4 + 60W × 1 @ 4Ω 5.0 rated output 30W × 5 Maximum output 50W × 5 @ 4Ω SNR ≥88dB THD ≤0.03% AC input 110–240V Dimensions 6.1 × 7.2 × 2 in Additional Product ContentComparison: Which Fosi Audio model is right for you? Model HT4S BT30D BT30D Pro System type 4.1 / 5.0 multi-speaker 2.1 stereo Higher-output 2.1 stereo Digital input Optical None None Amplified outputs Up to five channels Stereo + passive subwoofer Stereo + passive subwoofer Maximum stated output 50W × 5 @ 4Ω 50W × 2 + 100W 165W × 2 + 350W @ 4Ω Best use Outdoor, sim racing, multi-speaker Compact moderate-output 2.1 Higher-output 2.1

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$140.39 - $156.47

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Fosi Audio Fosi Audio BT30D Pro

Fosi Audio BT30D Pro is a TPA3255-based 2.1-channel Bluetooth integrated amplifier for passive stereo speakers and passive or powered subwoofers.High-output Class-D amplification, separate bass controls and flexible subwoofer connections make it a compact control center for a powerful 2.1 system. Why it stands outHigh-output 2.1 amplificationDedicated stereo and subwoofer channels provide up to 165 W × 2 plus 350 W maximum at 4 Ω.Flexible subwoofer supportConnect a passive subwoofer from the amplified output or powered equipment from the 3.5 mm full-range line output.Independent system tuningMaster volume, bass, treble, subwoofer volume and subwoofer frequency controls support practical room integration.Bluetooth and RCA inputsWorks with wireless mobile sources or conventional analog line-level equipment. Best for Higher-output compact 2.1 systems Passive bookshelf or floor-standing speakers Passive or powered subwoofer integration Desktop, living-room and small TV systems with analog audio Not ideal for Systems requiring HDMI ARC, optical or USB inputs Users needing a headphone output Turntables without a phono preamplifier EMiUZEK Buying Notes The advertised 165 W × 2 + 350 W figures are maximum ratings at 4 Ω and depend on the power supply and load. The 3.5 mm output is full-range; powered subwoofers should use their own crossover where required. Bluetooth has priority over RCA, so disconnect Bluetooth to return to the wired input. Frequently asked questionsCan it power passive speakers and a passive subwoofer?Yes. It provides amplified outputs for both.Can it connect to a powered subwoofer?Yes, using the 3.5 mm full-range output and the powered subwoofer's compatible input.Can it operate as a 2.0 amplifier?Yes. A subwoofer is optional.Does it support aptX?No. The official instructions state that aptX, aptX HD and aptX Low Latency are not supported.Can it connect directly to a turntable?Only if the turntable provides line-level output; otherwise add a phono preamplifier.Can it connect to a TV?Yes when the TV has compatible analog output. It does not have HDMI ARC or optical input. HOW TO CONNECTHigh-output passive 2.1 systemSource icon: streamerSource: Streamer / DAC / phoneConnection: RCA or BluetoothOutput connection: Stereo speaker terminals + passive subwoofer terminalsTarget icon: speakersOutput: Passive speakers + passive subwooferPowered subwoofer systemSource icon: TVSource: TV analog output / DACConnection: RCAOutput connection: Stereo speaker terminals + 3.5 mm full-range outputTarget icon: speakersOutput: Passive speakers + powered subwoofer Passive 2.0 stereo systemSource icon: streamerSource: Streamer / DAC / phoneConnection: RCA or BluetoothOutput connection: Stereo speaker terminalsTarget icon: speakersOutput: Two passive speakersNote: A subwoofer is optional; leave the subwoofer outputs unused for a 2.0 system.Technical SpecificationsInputs Feature Specification Bluetooth 5.0 Included RCA line input Included Outputs Feature Specification Stereo passive-speaker output Included Passive-subwoofer speaker output Included 3.5 mm full-range line output Included Amplification Feature Specification Amplifier Chip TI TPA3255 Maximum Output 165 W × 2 + 350 W at 4 Ω Speaker Impedance 2–8 Ω Frequency Response 20 Hz–20 kHz (±1 dB) THD ≤0.04% SNR ≥108 dB Input Sensitivity 700 mV Passive Subwoofer Frequency Adjustment up to 300 Hz Connectivity and power Feature Specification Bluetooth Range up to 50 ft without obstacles DC Input Range 12–36 V Power Adapter dependent on selected variant Additional Product ContentComparison: BT30D or BT30D Pro? Feature BT30D BT30D Pro Amplifier architecture 2 × TPA3116D2 TPA3255 Maximum output 50 W × 2 + 100 W 165 W × 2 + 350 W at 4 Ω DC input range Supplied 24 V / 4.5 A 12–36 V Best use Compact moderate-output 2.1 Higher-output 2.1 systems

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$109.90 - $133.19

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Fosi Audio Fosi Audio TB10D

Fosi Audio TB10D is a compact analog stereo power amplifier for driving passive speakers from a line-level source.Its TI TPA3255 power stage, 300W x2 maximum rating and front bass/treble controls deliver strong value for simple, adjustable HiFi systems. Why it stands outFour reasons this product deserves a place in a well-planned audio system.TPA3255 AmplificationTexas Instruments Class D architecture provides high efficiency and substantial power from a compact chassis.300W x2 Maximum RatingThe amplifier offers useful headroom for compatible 2–8Ω passive speakers; real output depends on the supply and speaker load.Front Tone ControlsDedicated bass and treble knobs allow quick adjustment without an app or external equalizer.Straightforward Analog SystemOne RCA input and speaker outputs keep setup simple for users who already own a DAC, streamer or preamp. Best for Budget-focused passive-speaker systems Users who want physical bass and treble adjustment Desktop and small-room stereo systems Pairing with an existing DAC, streamer or preamp Not ideal for Users requiring Bluetooth, USB, optical or HDMI inputs Balanced XLR systems Headphone listening Systems requiring a dedicated subwoofer or preamplifier output EMiUZEK Buying Notes TB10D is an analog speaker amplifier; it requires a separate line-level source. The 300W x2 figure is a maximum rating under specific conditions, not continuous output with every power supply and speaker. It has no headphone, Bluetooth or dedicated subwoofer output. Frequently Asked QuestionsCan the TB10D drive passive speakers directly?Yes. It supports compatible 2–8Ω passive speakers.Does it include Bluetooth?No. Add a Bluetooth receiver or streamer to the RCA input if wireless playback is needed.Can I connect a turntable?Only through a turntable with built-in phono output or a separate phono preamplifier.Does it have a subwoofer output?No dedicated subwoofer or pre-out is provided.Can I use a DAC or network streamer?Yes. Connect its analog line output to the TB10D RCA input.What does 300W x2 mean?It is the specified maximum output under particular supply and load conditions; usable continuous power varies with the system. HOW TO CONNECTDAC stereo systemSource: Computer / digital sourceConnection: USB or digital to DAC; RCA from DACOutput: Speaker terminalsTarget: Passive speakersNote: Set the DAC to line or controlled output as appropriate.Network streaming systemSource: Network streamerConnection: RCA line outputOutput: Speaker terminalsTarget: Passive speakersNote: Use the streamer for source selection and playback.TV stereo systemSource: TelevisionConnection: Optical/HDMI to external DAC; RCA to TB10DOutput: Speaker terminalsTarget: Passive speakersNote: TB10D does not accept TV digital audio directly. Technical SpecificationsAmplifier Feature Specification Product Type Analog stereo Class D amplifier Amplifier Chip TI TPA3255 Maximum Output 300W x2 at 4Ω Speaker Impedance 2–8Ω Audio Feature Specification Frequency Response 20Hz–40kHz (±2dB) THD ≤0.3% SNR ≥90dB Input Sensitivity ≤600mV Connectivity and Power Feature Specification Input Stereo RCA line input Output Passive speaker binding posts Tone Controls Bass and treble DC Input 18–48V Included Power Supply 32V/5A Recommended System Setup Setup Connection DAC system Digital source → DAC → RCA → TB10D → passive speakers Streamer system Streamer → RCA → TB10D → passive speakers TV system TV → external DAC → RCA → TB10D → passive speakers Additional Product Content Feature TB10D V3 Stereo BT20A Pro Product Position Tone-control stereo amp Pure stereo amp Bluetooth stereo amp Amplifier Chip TPA3255 TPA3255 TPA3255 Maximum Output 300W x2 at 4Ω 300W x2 at 4Ω 300W x2 at 4Ω Analog Input RCA RCA RCA Bluetooth No No Yes Tone Controls Bass, treble No Bass, treble Pre-out No Yes Yes Speaker Load 2–8Ω 2–8Ω 2–8Ω Best Use Simple adjustable stereo Minimal pure analog path Wireless stereo system

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$79.90

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Fosi Audio Fosi Audio BT30D

Fosi Audio BT30D is a compact 2.1-channel Bluetooth integrated amplifier for two passive speakers and a passive or powered subwoofer.Dedicated subwoofer level and crossover controls make it a straightforward way to build an adjustable small-room, desktop or TV audio system. Why it stands outTrue 2.1-channel speaker controlSeparate stereo and subwoofer amplification supports passive speakers plus a passive subwoofer from one compact unit.Passive and powered subwoofer flexibilitySpeaker-level subwoofer output and a line-level subwoofer connection support different bass-system configurations.Dedicated bass integrationSubwoofer volume and cutoff adjustment help blend low frequencies with the main speakers. Compact analog controlMaster volume, bass, treble, subwoofer level and crossover adjustment are available directly from the front panel.Best for Compact 2.1 passive-speaker systems Desktop and small-room audio Adding an adjustable subwoofer to bookshelf speakers Bluetooth or RCA playback Not ideal for Systems requiring HDMI ARC or digital audio inputs Users needing a headphone output Large high-output home-theater systems EMiUZEK Buying Notes The main left/right outputs are for passive speakers. Use the dedicated speaker output for a passive subwoofer or the line-level output for a powered subwoofer. It has no phono stage; a turntable requires line output or an external phono preamplifier. Frequently asked questionsCan it power a passive subwoofer?Yes, through the dedicated subwoofer speaker output.Can it connect to a powered subwoofer?Yes, through its line-level subwoofer output.Can it be used without a subwoofer?Yes, it can operate as a 2.0-channel amplifier for passive speakers.Can it connect to a TV?Yes when the TV provides compatible analog audio output; it has no HDMI or optical input.Can it power active speakers?The main speaker outputs are amplified for passive speakers. A compatible line-level output should be used for powered equipment.Does it include Wi-Fi streaming?No. Wireless playback is through Bluetooth. HOW TO CONNECTPassive 2.1 systemSource icon: phoneSource: Phone / streamerConnection: Bluetooth or RCAOutput connection: L/R speaker terminals + passive subwoofer terminalsTarget icon: speakersOutput: Two passive speakers + passive subwooferPowered subwoofer systemSource icon: TVSource: TV analog output / DACConnection: RCAOutput connection: L/R speaker terminals + line-level sub outputTarget icon: speakersOutput: Passive speakers + powered subwoofer Passive 2.0 stereo systemSource icon: streamerSource: Streamer / DAC / phoneConnection: RCA or BluetoothOutput connection: Left and right speaker terminalsTarget icon: speakersOutput: Two passive speakersNote: A subwoofer is optional; the BT30D can operate as a conventional stereo amplifier.Technical SpecificationsInputs Feature Specification Bluetooth 5.0 Included RCA line input Included Outputs Feature Specification Stereo passive-speaker output Included Passive-subwoofer speaker output Included Line-level output for powered subwoofer Included Amplification Feature Specification Amplifier Chipset 2 × TI TPA3116D2 Maximum Main Output 50 W × 2 Maximum Subwoofer Output 100 W Speaker Impedance 2–8 Ω Subwoofer Cutoff Adjustment 20–200 Hz Connectivity and physical Feature Specification Bluetooth Range up to 15 m / 49 ft without obstacles Dimensions 118 × 132 × 35 mm Supplied Power Adapter 24 V / 4.5 A Additional Product ContentComparison: BT30D or BT30D Pro? Feature BT30D BT30D Pro Amplifier architecture 2 × TPA3116D2 TPA3255 Maximum output 50 W × 2 + 100 W 165 W × 2 + 350 W at 4 Ω DC input range Supplied 24 V / 4.5 A 12–36 V Best use Compact moderate-output 2.1 Higher-output 2.1 systems

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$79.90 - $98.17

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Fosi Audio Fosi Audio V3

This Fosi Audio V3 listing is for the V3 Mono compact monoblock power amplifier, sold in single-amp and stereo-pair configurations depending on the selected variant.Its TPA3255-based architecture, XLR balanced/RCA inputs and 240W rated mono output support scalable, high-power passive-speaker systems. Why it stands outFour reasons this product deserves a place in a well-planned audio system.True Monoblock ArchitectureEach V3 Mono amplifies one audio channel, allowing separate left/right amplification in a stereo pair.XLR Balanced and RCA InputsThe selectable input formats make integration practical with balanced preamps, DACs and conventional RCA sources.240W Rated Mono OutputStrong single-channel output supports demanding compatible passive speakers when correctly powered.Scalable Power OptionsVariants include amplifier-only and power-supply bundles, including configurations for one or two monoblocks. Best for Stereo systems using two monoblock amplifiers Balanced XLR preamp or DAC systems Compact high-power passive-speaker installations Users planning a modular amplifier upgrade Not ideal for Buyers expecting one unit to power both stereo channels Users without a preamp, DAC or source with volume control Headphone or powered-speaker systems Buyers who have not checked whether their selected variant includes a power supply EMiUZEK Buying Notes This product is V3 Mono: one amplifier powers one speaker channel; two units are required for conventional stereo. Check the selected variant carefully because amplifier quantity and included power supply differ. Use a preamp, DAC or source with suitable volume control; V3 Mono is a power amplifier, not a complete source device. Frequently Asked QuestionsDo I need one or two V3 Mono amplifiers?One unit powers one channel. A standard two-channel stereo system requires two monoblocks.Does every variant include a power supply?No. The listing includes amplifier-only and power-supply bundle options; verify the selected variant.Can it connect to an XLR source?Yes. It supports balanced XLR input as well as RCA input.Can it drive headphones?No. It is a passive-speaker power amplifier and has no headphone output.Does it include Bluetooth or a DAC?No. Connect a compatible external preamp, DAC or streamer.Can I use one 48V/10A supply with two units?A listed two-amplifier bundle is available with a 48V/10A supply; use only the configuration and cabling supplied or specified for that variant. HOW TO CONNECTBalanced stereo systemSource: Balanced DAC / preampConnection: XLR to each monoblockOutput: Speaker terminalsTarget: One passive speaker per V3 MonoNote: Use two units for left and right channels.RCA stereo systemSource: RCA preamp / controlled DACConnection: RCA to each monoblockOutput: Speaker terminalsTarget: One passive speaker per V3 MonoNote: Split left and right outputs to separate units.Single-channel systemSource: Mono source / preamp channelConnection: XLR or RCAOutput: Speaker terminalsTarget: One passive speakerNote: One unit powers one channel only. Technical SpecificationsAmplifier Feature Specification Product Type Mono Class D power amplifier Amplifier Chip TI TPA3255 Rated Output 240W mono Channels per Unit 1 Connectivity Feature Specification Inputs XLR balanced; RCA Output Passive speaker binding posts Input Selection Balanced / RCA selectable Headphone Output None Power and Design Feature Specification Power Options Variant-dependent: no PSU, 48V/5A or 48V/10A bundles Cooling Full-body heat-dissipation chassis System Requirement Preamp or source with volume control Recommended System Setup Setup Connection Balanced stereo Balanced DAC/preamp → two V3 Mono amps → passive speaker pair RCA stereo RCA preamp → two V3 Mono amps → passive speaker pair Single channel Mono line source → one V3 Mono → one passive speaker Additional Product Content Feature V3 Mono ZA3 V3 Stereo Amplifier Format Monoblock Stereo / mono-capable Stereo Channels per Unit 1 2 stereo or 1 mono 2 Amplifier Chip TPA3255 TPA3255 TPA3255 Inputs XLR balanced, RCA XLR balanced, RCA RCA Rated / Maximum Positioning 240W rated mono High-power stereo/mono 300W x2 maximum Stereo Units Required 2 1 in stereo mode 1 Pre-out No Subwoofer output 3.5mm pre-out Tone Controls No No No Best Use Dedicated monoblock stereo Flexible balanced amp Simple RCA stereo

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$109.00 - $279.00

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Fosi Audio Fosi Audio GR40

Fosi Audio GR40 is a desktop tube DAC, headphone amplifier and preamplifier for digital and Bluetooth sources.USB, optical, coaxial and Bluetooth inputs, replaceable 5654W tubes, tone controls and RCA pre-output make it a flexible centerpiece for headphones or powered audio systems.Why it stands outMulti-input desktop DACAccepts USB, optical, coaxial and Bluetooth sources in one compact component.Tube analog stageTwo replaceable 5654W tubes add tube-based amplification and visual character.Headphone and preamp operationUse the front 3.5mm headphone output or feed powered speakers and power amplifiers from RCA.High-resolution and codec supportSupports PCM 32-bit/384kHz, DSD256 and Bluetooth codecs including aptX HD and aptX LL.Best for Desktop headphone listening TVs with optical audio output Computers using USB audio Powered speakers or separate power amplifiers Not ideal for Directly driving passive speakers Balanced headphone or XLR systems Turntables without a phono preamplifier EMiUZEK Buying Notes GR40 is not a speaker power amplifier; passive speakers require a separate power amplifier. The RCA output is muted when headphones are connected. Allow the tubes to cool before removal and only use officially compatible replacements. Frequently asked questionsCan GR40 power passive speakers?No. Connect its RCA output to a separate power amplifier or use powered speakers.Can it connect to a TV?Yes, through a compatible optical or coaxial digital output.Does it include a phono input?No. A turntable requires a built-in or external phono preamplifier.Which headphones are supported?The official range is 32–300Ω through the 3.5mm output.Can the tubes be replaced?Yes, but only with compatible tube types and after the unit is powered off and cool.What Bluetooth codecs are supported?SBC, AAC, aptX, aptX HD and aptX LL are listed in the manual.HOW TO CONNECTComputer headphone systemSource icon: computerSource: Windows PC / MacConnection: USB audioOutput connection: 3.5mm headphone outputTarget icon: headphonesOutput: Wired headphonesTV headphone systemSource icon: tvSource: TVConnection: Optical or coaxial PCMOutput connection: 3.5mm headphone outputTarget icon: headphonesOutput: Wired headphonesPowered speaker or amplifier systemSource icon: streamerSource: Digital source / Bluetooth deviceConnection: USB, optical, coaxial or BluetoothOutput connection: RCA pre-outputTarget icon: speakersOutput: Powered speakers or separate power amplifierTechnical SpecificationsInputs and outputs Feature Specification Inputs USB; optical; coaxial; Bluetooth Outputs RCA pre-output; 3.5mm headphone output Channels 2.0 Tube complement 2 × 5654W Digital and headphone performance Feature Specification Maximum resolution PCM 32-bit / 384kHz; DSD256 Bluetooth 5.1; SBC, AAC, aptX, aptX HD, aptX LL Headphone impedance 32–300Ω Output power 300mW @ 16Ω; 250mW @ 32Ω; 50mW @ 250Ω; 40mW @ 300Ω SNR ≥103dB Power input DC 12V Additional Product ContentComparison: Which Fosi Audio model is right for you? Model GR40 GR70 K7 Product position Tube DAC / headphone amp / preamp Analog tube headphone amp / preamp Balanced digital DAC / headphone amp Digital inputs USB, optical, coaxial, Bluetooth None USB, optical, coaxial, Bluetooth Headphone outputs 3.5mm 3.5mm and 6.35mm 3.5mm and 4.4mm balanced Speaker-system output RCA pre-out RCA pre-out RCA line output Best use Digital sources with tube stage Analog tube headphone system High-output HiFi and gaming

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$119.90 - $137.42

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Fosi Audio Fosi Audio MC331

Fosi Audio MC331 is a compact tube integrated amplifier combining digital and analog source selection, speaker amplification, headphone listening and preamplifier output.Its replaceable tubes, illuminated VU meter, remote control and 105W × 2 maximum output at 4Ω make it a flexible desktop or bookshelf-speaker hub.Why it stands outAll-in-one audio hubCombines a DAC, integrated speaker amplifier, preamplifier and headphone amplifier in one compact chassis.Five source inputsAccepts Bluetooth, USB, optical, coaxial and RCA sources with remote input switching.Tube character with visual appealReplaceable 5654W-family tubes and a warm VU meter add adjustable tube character and a retro presentation.Flexible system expansionDrives passive speakers while pre-out and 3.5mm headphone outputs support additional listening configurations.Best for Desktop and small-room passive speaker systems Users switching between computer, TV, Bluetooth and analog sources Headphone and speaker listening from one compact component Listeners who enjoy replaceable tubes and VU-meter styling Not ideal for Turntables without a built-in or external phono preamp Systems requiring HDMI ARC Passive subwoofers that need a dedicated powered subwoofer channel EMiUZEK Buying Notes MC331 is an integrated amplifier and can directly drive 4–8Ω passive speakers. Its RCA input is line level; a conventional turntable requires a phono preamp. Pre-out is for an active subwoofer or downstream amplifier; it is not a passive subwoofer output. Frequently asked questionsCan MC331 drive passive speakers directly?Yes. Connect 4–8Ω passive speakers to its speaker terminals.Does it include a phono input?No. A turntable needs a built-in phono stage or a separate phono preamp before the RCA input.Can I connect a TV?Yes, through optical, coaxial or RCA audio output. MC331 does not provide HDMI ARC.Can I use headphones?Yes. It includes a front 3.5mm headphone output.Can I add a subwoofer?Yes. Use pre-out with a powered subwoofer or another compatible downstream device.Are the tubes replaceable?Yes. Officially listed compatible families include 6AK5, 6AK5W, 6Zh1P and 6J1.HOW TO CONNECTPassive speaker systemSource: Phone, computer, TV or line-level sourceConnection: Bluetooth, USB, optical, coaxial or RCAOutput: Speaker terminalsTarget: 4–8Ω passive speakersNote: Select the matching input and begin at low volume.Headphone setupSource: Digital or analog sourceConnection: Bluetooth, USB, optical, coaxial or RCAOutput: 3.5mm headphone outputTarget: Wired headphonesNote: Disconnect or lower speaker output before private listening.2.1 system with powered subwooferSource: Digital or analog sourceConnection: Chosen source inputOutput: Speaker terminals + pre-outTarget: Passive speakers + powered subwooferNote: Use the subwoofer's own level and crossover controls for integration.Technical SpecificationsCore specifications Feature Specification Product type Tube integrated DAC / amplifier / headphone amplifier Maximum speaker output 105W × 2 at 4Ω Speaker impedance 4–8Ω THD ≤0.03% SNR ≥100dB Power supply 24V / 4.5A Inputs and outputs Feature Specification Inputs Bluetooth, USB, optical, coaxial, RCA Outputs Passive speaker terminals, pre-out, 3.5mm headphone output Bluetooth codecs SBC, AAC Replaceable tubes 6AK5, 6AK5W, 6Zh1P, 6J1 Recommended System Setup Setup Connection Desktop speakers PC → USB → MC331 → Passive speakers TV audio TV optical output → MC331 → Passive speakers 2.1 system Source → MC331 → Passive speakers + powered subwoofer Additional Product ContentFosi Audio product comparisonCompare the two compact Fosi Audio integrated amplifiers by the differences that most affect system matching. Feature MC331 MC351 Product position Tube DAC / integrated stereo amplifier High-power 2.1 digital integrated amplifier Built-in speaker amplifier Yes Yes Maximum output 105W × 2 at 4Ω 165W × 2 + 350W at 4Ω Main inputs Bluetooth, USB, optical, coaxial, RCA Bluetooth 5.3, USB, optical, coaxial, RCA Speaker output Stereo passive speakers Stereo passive speakers Passive subwoofer output No Yes, dedicated amplified output Line-level pre-out Yes Yes Headphone output Yes, 3.5mm No Tube stage Yes, replaceable tubes No Best use Compact tube stereo and headphone system Powerful passive-speaker 2.1 system

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$129.90 - $143.77

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Fosi Audio Fosi Audio BT20A Pro

Fosi Audio BT20A Pro is a compact Bluetooth stereo integrated amplifier built around the TI TPA3255 for passive speakers.It adds RCA input, a variable 3.5 mm pre-out, bass and treble controls, replaceable op-amps and multiple power-supply options for a flexible desktop or room stereo system. Why it stands outTPA3255 stereo amplificationDelivers high-efficiency Class-D power with low specified distortion in a compact chassis.Variable pre-out expansionThe 3.5 mm pre-out can feed compatible powered speakers, a powered subwoofer or another amplifier.Replaceable op-ampsSocketed NE5532 op-amps allow experienced users to tailor the analog stage with compatible DIP8 replacements.Flexible power configurationsAvailable power-supply choices let buyers balance system output, size and cost. Best for Desktop and bookshelf passive-speaker systems Compact stereo systems with a powered subwoofer Bluetooth and RCA source switching Users interested in compatible op-amp rolling Not ideal for Systems requiring HDMI ARC, optical or USB input Users needing a headphone output Turntables without a phono preamplifier EMiUZEK Buying Notes Maximum power depends on the selected supply and speaker load; choose the power-supply variant appropriate for the system. The 3.5 mm connector is a pre-out, not a headphone jack. Bluetooth takes input priority; disconnect Bluetooth when using RCA if the wired source is not heard. Frequently asked questionsCan it power passive speakers?Yes. It supports 2–8 Ω passive speakers.Can it connect to a powered subwoofer?Yes, through the variable 3.5 mm pre-out using the appropriate cable.Is the pre-out a headphone output?No.Can I connect a turntable?Yes only through a turntable with line output or an external phono stage.Does it support aptX?No. The official documentation specifies SBC/AAC and states that aptX variants are not supported.Can RCA and Bluetooth play simultaneously?No. Only one input mode is used at a time. HOW TO CONNECTPassive speaker systemSource icon: streamerSource: Streamer / DAC / phoneConnection: RCA or BluetoothOutput connection: Speaker terminalsTarget icon: speakersOutput: Passive speakers2.1 stereo systemSource icon: streamerSource: Streamer / DACConnection: RCAOutput connection: Speaker terminals + 3.5 mm pre-outTarget icon: speakersOutput: Passive speakers + powered subwoofer Pre-out expansion systemSource icon: streamerSource: Streamer / DAC / phoneConnection: RCA or BluetoothOutput connection: 3.5 mm variable pre-outTarget icon: speakersOutput: Powered speakers, powered subwoofer or downstream amplifierNote: Confirm input compatibility and begin with the volume set low.Technical SpecificationsInputs Feature Specification Bluetooth 5.0 Included RCA line input Included Outputs Feature Specification Stereo speaker binding posts Included 3.5 mm variable pre-out Included Amplification Feature Specification Amplifier Chip TI TPA3255 Maximum Output Power 300 W × 2 at 4 Ω Speaker Impedance 2–8 Ω THD ≤0.005% SNR ≥108 dB Frequency Response 20 Hz–20 kHz (±1.2 dB) Socketed Op-Amps 2 × NE5532 Connectivity and power Feature Specification Bluetooth Codecs SBC / AAC Bluetooth Range up to 50 ft without obstacles DC Input Range 24–48 V Power Supply Options 32 V / 5 A or 48 V / 5 A, depending on variant Dimensions approximately 5 × 5 × 1 in Additional Product ContentComparison: BT20A or BT20A Pro? Feature BT20A BT20A Pro Amplifier chip Dual TPA3116D2 TPA3255 Maximum output 100 W × 2 300 W × 2 at 4 Ω Pre-out No 3.5 mm variable pre-out Best use Simple compact stereo Higher-output expandable stereo

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$89.25 - $119.90

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Fosi Audio Fosi Audio BT20A

Fosi Audio BT20A is a compact two-channel Class-D integrated amplifier for passive speakers, with Bluetooth and RCA inputs.It combines straightforward wireless playback, bass and treble adjustment, and up to 100 W per channel maximum output in a small desktop-friendly chassis. Why it stands outCompact passive-speaker amplifierProvides stereo speaker amplification without the size and complexity of a full-size receiver.Bluetooth and wired playbackSwitch between Bluetooth 5.0 streaming and an analog RCA source.Front-panel tone controlIndependent bass and treble knobs make quick system tuning simple. Simple everyday operationA compact front panel keeps power, volume, bass and treble adjustment immediately accessible without menus or an app.Best for Desktop passive-speaker systems Bookshelf speakers in small and medium rooms Simple Bluetooth stereo systems TVs or streamers with analog line output Not ideal for Systems requiring HDMI ARC, optical or USB input Users needing a subwoofer output Headphone listening EMiUZEK Buying Notes BT20A powers passive speakers; it is not intended as an input for powered speakers. The quoted 100 W × 2 is the manufacturer's maximum specification and depends on load and power supply. It has no phono stage, so most turntables require a phono preamplifier or line-level output. Frequently asked questionsCan it drive passive speakers directly?Yes. It supports 2–8 Ω passive speakers through the rear binding posts.Can it connect to active speakers?No dedicated pre-output is provided. Use BT20A to power passive speakers.Does it have a subwoofer output?No.Can I connect a turntable?Only when the turntable has a built-in phono stage or an external phono preamplifier is used.Does it support aptX?The official specification lists Bluetooth 5.0 but does not specify aptX support.Can I connect a TV?Yes, when the TV provides compatible analog audio output; there is no optical or HDMI input. HOW TO CONNECTBluetooth speaker systemSource icon: phoneSource: Phone / tabletConnection: Bluetooth 5.0Output connection: Speaker terminalsTarget icon: speakersOutput: Passive speakersWired stereo systemSource icon: streamerSource: Streamer / DAC / TV analog outputConnection: RCAOutput connection: Speaker terminalsTarget icon: speakersOutput: Passive speakers Turntable stereo systemSource icon: turntableSource: Turntable with built-in phono stage or external phono preamplifierConnection: RCA line inputOutput connection: Speaker terminalsTarget icon: speakersOutput: Passive speakersNote: Do not connect a phono-level turntable directly unless a compatible phono preamplifier is used.Technical SpecificationsInputs Feature Specification Bluetooth 5.0 Included RCA line input Included Outputs Feature Specification Stereo speaker binding posts Included Amplification Feature Specification Amplifier Architecture Class D Amplifier Chipset Dual TI TPA3116D2 Maximum Output Power 100 W × 2 Speaker Impedance 2–8 Ω Frequency Response 20 Hz–20 kHz (±1 dB) SNR ≥98 dB THD ≤0.5% Connectivity and power Feature Specification Bluetooth Range up to approximately 15 m / 50 ft without obstacles DC Input Range 12–24 V Supplied Power Adapter 24 V / 4.5 A Additional Product ContentComparison: BT20A or BT20A Pro? Feature BT20A BT20A Pro Amplifier chip Dual TPA3116D2 TPA3255 Maximum output 100 W × 2 300 W × 2 at 4 Ω Pre-out No 3.5 mm variable pre-out Best use Simple compact stereo Higher-output expandable stereo

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$78.08 - $79.90

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sonos Sonos Amp

Sonos Amp is a powerful wireless streaming amplifier designed to bring Sonos smart audio features to passive speakers. With 125W per channel, HDMI ARC, AirPlay 2, and multi-room control, Sonos Amp combines high-quality amplification with seamless wireless music playback for home HiFi and entertainment systems. Why it stands out Powerful Stereo Amplification Sonos Amp delivers 125W per channel to drive a wide range of passive speakers with clean and dynamic sound. Complete Sonos Audio Integration Enjoy wireless streaming, multi-room playback, and simple control through the Sonos ecosystem. Home Theater Ready With HDMI ARC support, Sonos Amp can connect with compatible TVs and create an enhanced stereo or home theater setup. Flexible Speaker System Upgrade Connect your own passive speakers and transform them into a modern wireless audio system. Best for Passive speaker systems Home HiFi upgrades Sonos multi-room audio setups TV stereo systems Custom in-wall or in-ceiling speaker installations Not ideal for Users who already have a powerful amplifier Users looking for a portable audio solution Users needing Bluetooth-only playback Users wanting a standalone DAC without amplification EMiUZEK Buying Notes Sonos Amp is a streaming amplifier designed to directly power passive speakers. It delivers 125W × 2 output and does not require a separate power amplifier. Speaker impedance and power handling should match the amplifier specifications. For best multi-room performance, a stable WiFi or Ethernet connection is recommended. FAQ Can Sonos Amp power passive speakers? Yes. Sonos Amp includes a built-in amplifier and can directly drive passive speakers. How much power does Sonos Amp provide? Sonos Amp delivers 125W per channel into 8Ω speakers. Does Sonos Amp support AirPlay 2? Yes. It supports AirPlay 2 for compatible Apple devices. Can Sonos Amp connect to a TV? Yes. The HDMI ARC connection allows Sonos Amp to work with compatible TVs for stereo or home theater applications. Does Sonos Amp support Bluetooth? No. Sonos Amp uses WiFi-based streaming instead of Bluetooth audio playback. Can Sonos Amp work with in-wall or ceiling speakers? Yes. It is designed to work with many passive architectural speakers, including in-wall and in-ceiling models. Can Sonos Amp be used in a multi-room system? Yes. It can be combined with other Sonos products for synchronized multi-room audio. HOW TO CONNECT Passive Speaker Setup Source icon: Streaming ServiceSource: Sonos App / Music ServicesConnection: WiFi / EthernetOutput connection: Speaker OutputTarget icon: Passive SpeakersOutput: Wireless Stereo System Note: Power passive speakers directly with Sonos Amp. TV Audio Setup Source icon: TVSource: HDMI ARCConnection: HDMI CableOutput connection: Speaker OutputTarget icon: Passive SpeakersOutput: Home Theater System Note: Add Sonos smart audio to TV setups. Multi-Room Audio Setup Source icon: Music StreamingSource: Sonos SystemConnection: NetworkOutput connection: Multiple Sonos DevicesTarget icon: Multiple RoomsOutput: Whole-Home Audio System Note: Create synchronized audio zones. Technical Specifications Amplifier Product Type: Wireless Streaming Amplifier Amplifier Type: Class D Output Power: 125W × 2 @ 8Ω Speaker Connection: Passive Speakers Supported Inputs HDMI ARC RCA Line-In Ethernet WiFi Outputs Speaker Output Subwoofer Output 12V Trigger Output Wireless & Control AirPlay 2: Supported Sonos Multi-Room: Supported Sonos App Control: Supported Voice Control: Supported with compatible assistants General Application: Home HiFi / Home Theater / Multi-Room Audio Recommended System Setup Setup Connection Stereo System Sonos Amp → Passive Speakers TV Audio System TV HDMI ARC → Sonos Amp → Speakers Multi-Room System Sonos Amp → Sonos Network → Multiple Rooms What's in the box Sonos Amp ×1 Power Cable ×1 HDMI Cable ×1 User Manual ×1 Download Center Access product manuals, technical documents, and support resources. https://emiuzek.com/pages/download Additional Product Content Sonos Amp vs Sonos Port Feature Sonos Amp Sonos Port Product Type Streaming Amplifier Music Streamer Built-in Amplifier Yes No Output Power 125W × 2 N/A Passive Speakers Supported Requires External Amplifier HDMI ARC Yes No Best Focus Power passive speakers Upgrade existing HiFi systems

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$699.00 $659.00

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Arylic Arylic B50 SE

Arylic B50 SE is a compact Bluetooth stereo amplifier designed to power passive speakers while adding modern wireless and digital audio connectivity. With 50W × 2 stereo output, Bluetooth 5.0, USB DAC, optical input, analog input, and subwoofer output, B50 SE provides a simple and flexible way to build a compact stereo system for music, movies, desktop audio, and everyday listening. Why it stands out Compact Stereo Amplifier for Passive Speakers B50 SE combines amplification and modern connectivity in a compact design. 50W × 2 stereo output Directly drives passive speakers Class D amplifier design Compact desktop-friendly size Flexible Digital and Wireless Connections Connect different audio sources through multiple inputs. Bluetooth wireless playback USB DAC connection Optical digital input RCA analog input Add Bass with Subwoofer Support B50 SE supports system expansion with a dedicated subwoofer output. Connect powered subwoofers Build a compact 2.1 stereo system Improve low-frequency performance Simple Daily Audio Solution B50 SE is designed for easy everyday use. Remote control App EQ adjustment Multiple audio input options Best for Bookshelf speaker systems Desktop audio setups Bedroom stereo systems Computer audio systems Users upgrading traditional passive speakers Not ideal for Users looking for WiFi music streaming Users needing AirPlay or Spotify Connect Users requiring HDMI ARC TV connection Users wanting built-in phono input for turntables EMiUZEK Buying Notes Arylic B50 SE is a Bluetooth stereo amplifier, not a network streaming amplifier. Passive speakers can be connected directly without an additional power amplifier. For TV connection, use optical output from compatible TVs. Turntables require an external phono preamp before connecting. B50 SE does not include HDMI ARC or WiFi streaming features. FAQ Can Arylic B50 SE directly power passive speakers? Yes. B50 SE includes a built-in stereo amplifier and can directly drive passive speakers. Typical setup: Audio Source → B50 SE → Passive Speakers What speakers are suitable for Arylic B50 SE? B50 SE supports 4Ω–8Ω passive speakers. Recommended for bookshelf speakers and compact stereo systems. Can Arylic B50 SE connect to a computer? Yes. B50 SE supports USB DAC connection for computer audio playback. Does Arylic B50 SE support Bluetooth playback? Yes. B50 SE supports Bluetooth wireless audio from smartphones, tablets, and other compatible devices. Can Arylic B50 SE connect to a subwoofer? Yes. B50 SE includes a subwoofer output for connecting powered subwoofers. Can Arylic B50 SE connect to a TV? Yes. B50 SE can connect to TVs through compatible optical audio output. It does not support HDMI ARC. Does Arylic B50 SE support turntables? Not directly. B50 SE does not include a built-in phono preamp. A separate phono preamp is required for turntable connection. Is Arylic B50 SE a WiFi streaming amplifier? No. B50 SE focuses on Bluetooth and wired audio connections rather than WiFi streaming platforms. HOW TO CONNECT Bluetooth Speaker Setup Source icon: smartphoneSource: Phone / TabletConnection: BluetoothOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Play wireless music through your stereo system. Computer Audio Setup Source icon: computerSource: PC / MacConnection: USB DACOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Use B50 SE as a compact desktop amplifier. TV Audio Setup Source icon: TVSource: TelevisionConnection: Optical OutputOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Add better stereo sound for TV entertainment. 2.1 System Setup Source icon: amplifierSource: B50 SEConnection: Subwoofer OutputTarget icon: subwooferOutput: Powered Subwoofer Note: Expand your stereo system with additional bass. Technical Specifications Amplifier Feature Specification Amplifier Type Class D Stereo Amplifier Amplifier Chip TPA3116D2 Output Power 50W × 2 @ 4Ω Output Power 30W × 2 @ 8Ω Speaker Impedance 4Ω–8Ω Bluetooth Feature Specification Bluetooth Version Bluetooth 5.0 Codec Support SBC / AAC Bluetooth Mode Receiver Audio Inputs Feature Specification Optical Input Supported Analog Input RCA USB Audio USB DAC USB Host USB Playback Audio Outputs Feature Specification Speaker Output Passive Speakers Subwoofer Output Yes Audio Performance Feature Specification Audio Resolution Up to 24-bit / 192kHz Frequency Response 20Hz–20kHz THD+N <0.03% SNR >90dB General Feature Specification Control Remote Control / App EQ Power Input 24V Dimensions Compact Desktop Design Recommended System Setup Setup Connection B50 SE + Passive Speakers Bluetooth / USB / Optical → B50 SE → Speakers B50 SE + Computer PC → USB → B50 SE → Speakers B50 SE + TV TV Optical → B50 SE → Speakers B50 SE + Subwoofer B50 SE → Speakers + Powered Subwoofer What's in the box Arylic B50 SE ×1 Remote Control ×1 Power Adapter ×1 Speaker Cable ×1 User Manual ×1 EMIUZEK Download Center Access product manuals, firmware updates, and additional support resources. Arylic B50 SE manuals and downloads: https://emiuzek.com/pages/download Additional Product Content Arylic B50 SE vs Arylic B50 vs Arylic A50+ Feature Arylic B50 SE Arylic B50 Arylic A50+ Product Position Compact Bluetooth Amplifier Feature Bluetooth Amplifier WiFi Streaming Amplifier Output Power 50W × 2 50W × 2 50W × 2 HDMI ARC No Yes No Phono Input No MM/MC No Bluetooth 5.0 5.2 5.0 WiFi Streaming No No Yes USB DAC Yes Yes Yes Subwoofer Output Yes Yes Yes Best Focus Simple stereo amplification TV + Vinyl + Bluetooth Wireless streaming systems

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$86.00 - $94.05

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Arylic Arylic B50

Arylic B50 is a versatile Bluetooth stereo amplifier designed to combine powerful amplification, TV connectivity, vinyl playback, and wireless audio transmission into one compact HiFi system. With 50W × 2 stereo output, HDMI ARC, Bluetooth 5.2 aptX HD transmitter and receiver, MM/MC phono input, USB audio support, optical input, and subwoofer output, B50 provides a flexible solution for connecting passive speakers with modern and traditional audio sources. Why it stands out All-in-One Stereo Amplifier B50 combines stereo amplification and multiple audio connections in one compact device. 50W × 2 stereo output Directly powers passive speakers Class D amplifier design Subwoofer output for system expansion HDMI ARC TV Integration Connect your TV directly to B50 and enjoy improved stereo sound through passive speakers. HDMI ARC connection Simple TV audio setup Compatible TV remote volume control Bluetooth Transmitter and Receiver B50 provides flexible Bluetooth connectivity for both playback and audio transmission. Bluetooth 5.2 aptX HD support Receive music from smartphones and tablets Transmit audio to Bluetooth headphones or speakers Connect Vinyl, Digital, and Analog Sources B50 supports multiple audio devices in one system. MM/MC phono input Optical input RCA analog input USB audio connection USB playback Best for TV stereo speaker upgrades Bookshelf speaker systems Turntable and passive speaker setups Desktop audio systems Users needing Bluetooth headphone transmission Not ideal for Users looking for WiFi music streaming services Users who need AirPlay or Spotify Connect Users wanting a network music streamer Users requiring high-power amplification for large rooms EMiUZEK Buying Notes Arylic B50 is a Bluetooth stereo amplifier, not a WiFi streaming amplifier. Passive speakers can be connected directly without an additional power amplifier. HDMI ARC requires a compatible TV with ARC output. The built-in phono input supports compatible MM/MC turntables. Bluetooth transmission allows connection with compatible Bluetooth headphones or speakers. FAQ Can Arylic B50 directly power passive speakers? Yes. B50 includes a built-in stereo amplifier and can directly power passive speakers without an additional amplifier. Typical setup: Audio Source → B50 → Passive Speakers Can Arylic B50 connect to a TV? Yes. B50 supports HDMI ARC connection, allowing compatible TVs to send audio directly to the amplifier. Does Arylic B50 support turntables? Yes. B50 includes an MM/MC phono input, allowing compatible turntables to connect directly without an external phono preamplifier. Can Arylic B50 transmit audio to Bluetooth headphones? Yes. B50 supports Bluetooth transmitter mode, allowing compatible Bluetooth headphones or speakers to receive audio wirelessly. Does Arylic B50 support high-quality Bluetooth audio? Yes. B50 supports Bluetooth 5.2 with aptX HD and other compatible Bluetooth codecs. Can Arylic B50 connect to a subwoofer? Yes. B50 includes a dedicated subwoofer output for connecting compatible powered subwoofers. Can Arylic B50 connect to a computer? Yes. B50 supports USB audio connection for computer playback and USB storage playback. HOW TO CONNECT TV Audio Setup Source icon: TVSource: TelevisionConnection: HDMI ARCOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Use B50 as a compact stereo TV audio system. Turntable Setup Source icon: turntableSource: Vinyl Record PlayerConnection: MM/MC Phono InputOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Connect compatible turntables directly. Bluetooth Headphone Setup Source icon: audio sourceSource: TV / Audio DeviceConnection: Bluetooth TransmissionTarget icon: headphonesOutput: Bluetooth Headphones Note: Send audio wirelessly to Bluetooth devices. Computer Audio Setup Source icon: computerSource: PC / MacConnection: USB AudioOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Technical Specifications Amplifier Feature Specification Amplifier Type Class D Stereo Amplifier Output Power 50W × 2 @ 4Ω Output Power 30W × 2 @ 8Ω Speaker Impedance 4Ω–8Ω Bluetooth Feature Specification Bluetooth Version Bluetooth 5.2 Bluetooth Mode TX / RX Codec Support aptX HD / aptX / AAC / SBC Audio Inputs Feature Specification HDMI HDMI ARC Phono Input MM / MC Optical Input Supported Analog Input RCA USB USB Playback USB Audio Supported Audio Outputs Feature Specification Speaker Output Passive Speakers Subwoofer Output Yes Bluetooth Transmission Supported Audio Performance Feature Specification Optical Input Decode Up to 24-bit / 192kHz PCM Frequency Response 20Hz–20kHz SNR >93dB THD+N <0.03% General Feature Specification Control Remote Control Power Supply 24V Dimensions Compact Desktop Design Recommended System Setup Setup Connection B50 + Passive Speakers Source → B50 → Speakers B50 + TV TV → HDMI ARC → B50 → Speakers B50 + Turntable Turntable → Phono → B50 → Speakers B50 + Bluetooth Headphones Source → B50 TX → Bluetooth Headphones What's in the box Arylic B50 ×1 Remote Control ×1 Power Adapter ×1 Speaker Cable ×1 User Manual ×1 EMIUZEK Download Center Access product manuals, firmware updates, and additional support resources. Arylic B50 manuals and downloads: https://emiuzek.com/pages/download Additional Product Content Arylic B50 vs Arylic A50+ vs Arylic LA50 Feature Arylic B50 Arylic A50+ Arylic LA50 Product Position Bluetooth Stereo Amplifier WiFi Streaming Amplifier Streaming Amplifier Main Focus TV + Vinyl + Bluetooth Wireless streaming Network audio system Output Power 50W × 2 50W × 2 50W × 2 HDMI ARC Yes No Yes Phono Input MM/MC No No Bluetooth 5.2 aptX HD TX/RX 5.0 Receiver 5.4 WiFi Streaming No Yes Yes USB Audio Yes Yes Yes Subwoofer Output Yes Yes Yes Best Use TV / Vinyl / Bluetooth Wireless speaker upgrade Streaming stereo system

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$119.00 - $126.35

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Arylic Arylic A50+

Arylic A50+ is a compact WiFi streaming amplifier designed to bring modern wireless streaming and powerful amplification to passive speaker systems. With 50W × 2 stereo output, WiFi streaming, Bluetooth 5.0, USB audio support, optical input, and multi-room capability, A50+ allows you to transform traditional passive speakers into a smart wireless audio system. Why it stands out Powerful Compact Streaming Amplifier A50+ combines wireless streaming and stereo amplification in one compact device. 50W × 2 stereo output Directly powers passive speakers Class D amplification Compact installation design Flexible Wireless Music Playback Stream music from your favorite sources: WiFi streaming AirPlay Spotify Connect DLNA / UPnP Bluetooth 5.0 Multiple Audio Connections A50+ supports different audio sources through: Optical input RCA analog input USB audio connection USB storage playback Subwoofer output Multi-Room Audio Expansion Build a flexible whole-home audio system by connecting multiple compatible Arylic streaming devices. Control music playback through supported apps and enjoy synchronized audio in different rooms. Best for Bookshelf speaker systems Ceiling speaker installations Bedroom and office audio systems Multi-room home audio setups Users upgrading traditional passive speakers Not ideal for Users needing HDMI ARC TV connection Users looking for phono input for turntables Users requiring high-power amplification for large rooms Users wanting a separate high-end amplifier system EMiUZEK Buying Notes Arylic A50+ is a streaming amplifier with built-in speaker amplification. Passive speakers can be connected directly without an additional power amplifier. A50+ is designed for small to medium speaker systems. For turntables, a separate phono preamplifier is required. For TV systems requiring HDMI ARC, consider an amplifier with HDMI support. FAQ Can Arylic A50+ directly power passive speakers? Yes. A50+ includes a built-in stereo amplifier and can directly drive passive speakers without requiring an additional amplifier. Typical setup: Streaming Source → A50+ → Passive Speakers What speakers are suitable for Arylic A50+? A50+ is suitable for bookshelf speakers, ceiling speakers, and compact home stereo systems. It supports: 50W × 2 at 4Ω 30W × 2 at 8Ω Can Arylic A50+ connect to a computer? Yes. A50+ supports USB audio connection, allowing it to work with computers as a compact desktop audio amplifier. Can Arylic A50+ play music from USB storage? Yes. The USB port supports playback from compatible USB storage devices. Does Arylic A50+ support WiFi streaming? Yes. A50+ supports wireless streaming through compatible platforms including AirPlay, Spotify Connect, DLNA, and UPnP. Can Arylic A50+ connect to a subwoofer? Yes. A50+ includes a dedicated subwoofer output for connecting compatible powered subwoofers. Does Arylic A50+ support multi-room audio? Yes. Multiple compatible Arylic devices can be combined into a multi-room audio system through supported applications. Can Arylic A50+ replace a traditional amplifier? Yes. A50+ combines streaming functionality and amplification, allowing traditional passive speakers to become part of a modern wireless audio system. HOW TO CONNECT Passive Speaker Setup Source icon: streamerSource: Streaming ServicesConnection: WiFi / BluetoothOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Use A50+ as a complete wireless streaming amplifier. Computer Audio Setup Source icon: computerSource: PC / MacConnection: USB AudioOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Use A50+ for desktop audio playback. TV / External Source Setup Source icon: TV / Audio DeviceSource: Optical / RCA OutputConnection: Optical / RCA CableOutput connection: Speaker OutputTarget icon: speakersOutput: Passive Speakers Note: Connect external audio devices through digital or analog inputs. Subwoofer Setup Source icon: amplifierSource: A50+Connection: Subwoofer OutputTarget icon: subwooferOutput: Powered Subwoofer Note: Expand your stereo system with additional bass performance. Technical Specifications Amplifier Feature Specification Amplifier Type Class D Stereo Amplifier Amplifier Chip TPA3116 Output Power 50W × 2 @ 4Ω Output Power 30W × 2 @ 8Ω Speaker Impedance 4Ω–8Ω Streaming & Connectivity Feature Specification Streaming Protocols AirPlay, Spotify Connect, DLNA, UPnP Network WiFi 2.4GHz Ethernet RJ45 10/100M Bluetooth Bluetooth 5.0 SBC/AAC Multi-Room Supported Audio Inputs Feature Specification Analog Input RCA Digital Input Optical USB Audio Micro USB DAC USB Host USB Storage Playback Audio Outputs Feature Specification Speaker Output Passive Speakers Subwoofer Output Yes Audio Performance Feature Specification Audio Resolution Up to 24-bit / 192kHz Supported Formats FLAC, MP3, AAC, AAC+, ALAC, APE, WAV Frequency Response 20Hz–20kHz THD+N 0.03% SNR 91dB General Feature Specification Power Input DC 12V–24V Control App / Remote Control Dimensions 116.2 × 64 × 22.6 mm Recommended System Setup Setup Connection A50+ + Passive Speakers Streaming → A50+ → Speakers A50+ + Computer PC → USB → A50+ → Speakers A50+ + Subwoofer A50+ → Speakers + Powered Subwoofer A50+ Multi-Room Multiple Arylic Devices → App Control What's in the box Arylic A50+ ×1 Remote Control ×1 24V Power Adapter ×1 WiFi Antenna ×1 Bluetooth Antenna ×1 RCA Cable ×1 Speaker Connector ×1 User Manual ×1 EMIUZEK Download Center Access product manuals, firmware updates, and additional support resources. Arylic A50+ manuals and downloads: https://emiuzek.com/pages/download Additional Product Content Arylic A50+ vs Arylic A30+ vs Arylic LA50 Feature Arylic A50+ Arylic A30+ Arylic LA50 Product Position Streaming Amplifier Compact Mini Streaming Amplifier Modern Streaming Amplifier Output Power 50W × 2 30W × 2 50W × 2 Main Focus Home speaker systems Desktop and small rooms Flexible stereo systems Bluetooth Bluetooth 5.0 Bluetooth 5.0 Bluetooth 5.4 Optical Input Yes No Yes USB Audio Yes Yes Yes Subwoofer Output Yes No Yes HDMI ARC No No Yes Best Use Bookshelf / ceiling speakers Desktop audio Living room stereo

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$176.00 - $209.00

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HiFiMuse HiFiMuse B5

The HiFiMuse B5 combines an ESS9018K2M DAC with a compact stereo power amplifier for passive speakers. Optical, coaxial, computer USB, USB-disk, Bluetooth and 3.5 mm AUX inputs make it a flexible desktop or small-room audio hub.Why it stands out 01 ESS9018K2M conversion The onboard DAC handles digital sources before the stereo amplifier stage. 02 Broad source support Optical, coaxial, computer USB, USB disk, Bluetooth and AUX cover common sources. 03 Dual TPA3116 stage Two TPA3116 devices provide practical stereo power for compact passive speakers. 04 High-resolution S/PDIF Optical and coaxial inputs are listed up to 32-bit/192 kHz. Best for Desktop passive-speaker systems TVs with optical or coaxial output Computer audio over USB Bluetooth playback Local WAV, APE, FLAC and MP3 files Not ideal for Systems requiring HDMI ARC Headphones—the original specifications list no headphone output Balanced XLR systems Buyers needing Wi-Fi or multi-room streaming EMiUZEK Buying Notes Output depends on supply voltage and speaker impedance; the listed adapter is 24 V/3 A. Use the voltage/load power figures for system matching, not an isolated maximum marketing figure. Computer USB and Bluetooth are listed at 16-bit/48 kHz; optical/coaxial carry the stated 192 kHz capability. FAQHow much speaker power does it provide?At 24 V it is listed at 38 W ×2 into 8 ohms and more than 55 W ×2 into 4 ohms; power is lower at 19 V.Which inputs support 192 kHz?Optical and coaxial are listed up to 32-bit/192 kHz.What is the computer USB resolution?The original data lists computer USB at 16-bit/48 kHz.Can it drive passive speakers directly?Yes. It includes a dual-TPA3116 stereo power stage.Does it support headphones?No headphone output is listed.Can I adjust bass and treble?Yes. Bass and treble controls are listed.Which local files can it play?WAV, APE, FLAC and MP3 are listed.Does it have HDMI ARC?No HDMI ARC input is listed.HOW TO CONNECT Optical or coaxial — Connect an S/PDIF source for up to the listed 32-bit/192 kHz. Computer USB or USB disk — Connect a computer at the listed 16-bit/48 kHz, or use USB storage with supported files. Bluetooth or AUX — Pair Bluetooth, or connect a line-level device to 3.5 mm AUX. Technical Specifications Feature Specification Product type Bluetooth stereo DAC and power amplifier DAC ESS9018K2M Bluetooth/USB controller ATS2825 Power stage TPA3116 ×2 Bluetooth 5.0 Inputs Optical, coaxial, computer USB, USB disk, Bluetooth, 3.5 mm AUX USB/computer/Bluetooth 16-bit/48 kHz Optical/coaxial Up to 32-bit/192 kHz File formats WAV, APE, FLAC, MP3 Power input DC 12–24 V Listed adapter 24 V / 3 A 19 V / 8 ohms 32 W ×2 19 V / 4 ohms More than 45 W ×2 24 V / 8 ohms 38 W ×2 24 V / 4 ohms More than 55 W ×2 THD 0.001% Frequency response 15 Hz–25 kHz SNR 92 dB Input sensitivity 500 mV Volume Potentiometer and remote Tone controls Bass and treble Other controls USB selection and standby Color Black Additional Product ContentComparison: choose the right HiFiMuse model Feature Specification Decision point B5 Primary role DAC plus speaker amplifier Speaker output Up to >55 W ×2 / 4 ohms at 24 V Digital inputs Optical, coaxial, computer USB, USB disk Headphone output Not listed Best when You need digital inputs plus speaker power

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$138.00 $89.00

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IEAST AudioCast AMP50

AudioCast AMP50 is a compact wireless multi-room stereo amplifier that adds network streaming to passive speakers. Its 2 × 50W/4Ω Class-D output, wired and wireless networking, and local digital/analog inputs create a simple all-in-one music system. Why it stands out Streaming amplifier in one compact unitCombines network music playback and stereo speaker amplification without requiring a separate streamer or power amplifier. 50W-per-channel speaker driveDelivers more useful output for bookshelf, ceiling and efficient floorstanding speakers than entry-level mini amplifiers. Flexible wired and wireless sourcesAccepts Wi-Fi, Ethernet, Bluetooth, optical, line-level and USB sources for a broad range of home-audio installations. Expandable multi-room playbackWorks with compatible AudioCast devices for synchronized or independent playback across multiple rooms. Best for Bookshelf speaker systems Ceiling speaker installations Living-room stereo upgrades Multi-room AudioCast systems Users replacing a separate streamer and amplifier Not ideal for Very low-sensitivity speakers requiring high current Users needing HDMI ARC Headphone listening systems Systems requiring balanced XLR connections EMiUZEK Buying Notes AMP50 is an integrated streaming amplifier and can directly drive compatible passive speakers. Its optical input is intended for two-channel PCM audio; set a connected TV to PCM stereo. A powered subwoofer requires a suitable line-level connection; do not connect a passive subwoofer directly. Frequently asked questions Can AMP50 drive passive speakers directly?Yes. It provides stereo speaker outputs and is designed for 4Ω/8Ω passive speakers. Does it need a separate streamer?No. Network streaming is built in. Can it connect to a TV?Yes, through the optical or line input when the television provides compatible stereo PCM audio. Does it support Bluetooth?Yes. Bluetooth is available as an audio input. Can it play from a USB drive?Yes. The USB connection supports local music playback. Does it have a headphone output?No. It is primarily a speaker amplifier. HOW TO CONNECT Passive speaker systemSource: Streaming servicesConnection: Wi-Fi or EthernetOutput connection: Speaker outputTarget: Passive speakers TV stereo systemSource: TelevisionConnection: Optical PCMOutput connection: Speaker outputTarget: Passive speakers Local source systemSource: CD player or analog sourceConnection: Line inputOutput connection: Speaker outputTarget: Passive speakers Technical Specifications Feature Specification Product type Wireless multi-room stereo amplifier Speaker power 2 × 50W into 4Ω; over 30W/channel into 8Ω Network 2.4GHz Wi-Fi; 10/100 Ethernet Bluetooth Bluetooth 5.0, SBC Inputs Wi-Fi, Ethernet, Bluetooth, optical, line input, USB playback Streaming AirPlay, DLNA, Spotify Connect, QPlay Audio formats APE, FLAC, MP3, WAV, AAC/AAC+, WMA, ALAC, AIFF Power supply 32V/4.75A Additional Product Content📊 Comparison: Which Compact Streaming Amplifier Is Right for You?Choose AMP50 for a balanced combination of speaker power and source flexibility; choose AMP-i20 for discreet background-audio installations, or AMP80 when higher speaker output is the priority. Feature AudioCast AMP50 iEAST AMP-i20 iEAST AMP80 Product position Compact all-purpose streamer amplifier Mini installation amplifier Higher-power streaming amplifier Power into 4Ω 2 × 50W 2 × 20W 2 × 80W Local audio inputs Optical and line input Streaming/Bluetooth focused Coaxial and line input Ethernet Yes Yes Yes Best use Flexible home stereo Ceiling/background audio More demanding passive speakers

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$169.00

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EMiUZEK WA30

WA30 Multi-Room WiFi Amplifier: Transform Your Home into a Immersive Audio Sanctuary Hi-Fi Sound, Seamless Whole-Home Coverage, and Effortless Control—Powered by STA358BW Chip Gone are the days of being confined to a single speaker in one room or dealing with the frustration of dropped Bluetooth connections. The WA30 Multi-Room WiFi Amplifier redefines home audio by creating a unified, high-fidelity sound network that flows with you throughout your living space. Whether you’re prepping a meal in the kitchen, unwindWhy it stands outAmplifier outputPaired with a robust 50W x 2 stereo output, this amplifier breathes life into every track, from the deep, resonant bass of classical compositions to the crisp, clear vocals of acoustic performances.Audio resolutionIts built-in Bluetooth 5.0 ensures stable, long-range wireless connections with smartphones, tablets, and laptops, while WiFi streaming supports high-resolution audio formats like FLAC and WAV for lossless sound quality.DAC / audio componentsWA30 Multi-Room WiFi Amplifier: Transform Your Home into a Immersive Audio Sanctuary Hi-Fi Sound, Seamless Whole-Home Coverage, and Effortless Control—Powered by STA358BW Chip Gone are the days of being confined to a single speaker in one room or dealing with the frustration of dropped Bluetooth connections. Hi-Fi Grade Performance: Engineered for Audiophiles At the heart of the WA30 lies the premium STA358BW audio chip, a component trusted by professional audio engineers for its ability to minimize distortion and maximize sound precision.Wi-Fi and streamingThe WA30 Multi-Room WiFi Amplifier redefines home audio by creating a unified, high-fidelity sound network that flows with you throughout your living space. Using intuitive WiFi connectivity, you can link multiple WA30 amplifiers across different rooms and control them all via a single mobile app.Best for Compact passive-speaker systems Wireless and local-source listening Multi-room audio installations Users selecting the correct regional power option Not ideal for Speakers that exceed the confirmed amplifier load requirements Buyers who need an unlisted HDMI or phono input Systems requiring balanced XLR connections Product Details and Connection ViewsEMiUZEK Buying Notes Match speaker impedance, power supply and regional plug to the selected configuration. Confirm the exact inputs and outputs shown in the product images before installation. Amplifier power depends on supply voltage, load and test conditions; use the stated page configuration. Frequently asked questionsWhat is the maximum power output of the WA30 amplifier?The WA30 can deliver up to 100W RMS of high-fidelity audio power, which is perfect for driving a wide range of home speakers to fill your room with rich, detailed sound.Does the WA30 support multi-room audio setups?Yes, it features built-in multi-room sync technology that lets you connect multiple WA30 units via your home WiFi network, playing the same or different music in various rooms simultaneously through a single app.Can I control the WA30 with voice commands?Absolutely, the WA30 is compatible with mainstream voice assistants like Alexa and Google Assistant, allowing you to adjust volume, switch tracks, or change playlists using simple voice commands for a hands-free experience.What wireless connectivity options does the WA30 offer?It comes with both dual-band WiFi and Bluetooth 5.4 connectivity, giving you stable, low-latency streaming from your phone, tablet, or online music services, while ensuring long-range and interference-free performance.Is the WA30 easy to set up for someone who's not tech-savvy?Yes, it features a plug-and-play design with a user-friendly mobile app. You just need to connect it to your speakers and home WiFi through the app's step-by-step guide, which takes only a few minutes to get everything up and running.HOW TO CONNECTWireless speaker systemSource: Phone or network musicConnection: Wi-Fi or Bluetooth to the amplifierOutput connection: Speaker terminals to passive speakersLocal source systemSource: Compatible analog or digital sourceConnection: Confirmed input on the productOutput connection: Speaker terminals to passive speakersMulti-room systemSource: Compatible control app and networkConnection: Wi-Fi network connectionOutput connection: Grouped compatible playback zonesTechnical Specifications Feature Specification WiFi 2.4G EEE802.11 b/g/n Bluetooth 5.0 Lan RJ45 single 10/100M Power input DC 12-26V Audio input Analog 3.5mm mini jack USB 2.0 host for HDD/flash drive Support audio format FLAC/APE/MP3/WAV/ACC/AAC+/ALAC Media protocol AirPlay, DLNA, UPnP, Spotify Connect Frequent response 20Hz-20KHz THD+N 1%, 30W x2@1KHz Speaker output power 2x50W @6ohms 25V / 2x40W @8ohms 25V / 2x30W @4ohms 18V Additional Product ContentComparison: Streaming Amplifier Choices Model Confirmed advantage Best fit HiFiMuse A80 Pro 24-bit DAC, Bluetooth 5.0 aptX HD, RCA, optical and coaxial inputs Mixed wireless and local-source speaker systems HiFiMuse B5 100 W per channel, ESS ES9018K2M, USB/coaxial/optical/analog inputs Higher stated power for passive speakers EMiUZEK WA20 PCM5102A, up to 32-bit/384 kHz PCM, DSD256, Wi-Fi 6 and AirPlay 2 High-resolution network amplification EMiUZEK WA30 STA358BW, 50 W × 2, Wi-Fi multi-room and Bluetooth 5.0 Straightforward whole-home zones EMiUZEK AMP600 24-bit/192 kHz, AirPlay 2, aptX HD and app EQ App-centered multi-room playback

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$70.58 - $89.00

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Amplifiers for HiFi & Home Audio

Explore HiFi amplifiers for stereo, desktop and home audio systems. From integrated and streaming amplifiers to dedicated power amplifiers, the right amplifier provides the power, control and connectivity your system needs.

Amplifier type, power output, inputs, streaming features and speaker compatibility vary by model. Choose based on your speakers, music sources, room and preferred system design.

Which Type of Amplifier Do You Need?

Different amplifier types combine source control, streaming and speaker amplification in different ways. Understanding these differences can make it easier to choose the right component for your system.

Amplifier Type	Main Function	Best For
Integrated Amplifier	Source control + speaker amplification	Traditional stereo HiFi systems
Streaming Amplifier	Streaming + control + speaker amplification	Simple network and wireless audio systems
Power Amplifier	Dedicated speaker amplification	Modular systems with a separate source or preamp

Integrated Amplifiers

An integrated amplifier combines preamplifier functions such as source selection and volume control with the power amplification needed to drive compatible passive speakers.

Depending on the model, additional features may include digital inputs, a built-in DAC, Bluetooth, phono input or subwoofer connectivity.

Explore our Integrated Amplifiers.

Streaming Amplifiers

A streaming amplifier adds compatible network or wireless music playback to speaker amplification. It can simplify a modern HiFi system by reducing the need for a separate music streamer and amplifier.

Depending on the model, streaming options may include Wi-Fi, Ethernet, Bluetooth and compatible music services or streaming protocols.

Explore our Streaming Amplifiers.

Power Amplifiers

A power amplifier focuses primarily on providing amplification for passive speakers. It is commonly paired with a compatible preamp, DAC/preamp, music streamer or other source component with suitable system control.

Power amplifiers can be useful when building a modular system where source, control and amplification components are selected separately.

Explore our Power Amplifiers.

How to Choose the Right Amplifier

Match the Amplifier to Your Speakers

For passive speakers, check impedance, sensitivity and recommended amplifier power together with the amplifier's specifications. Room size, listening distance and typical volume levels should also be considered.

The highest wattage is not automatically the best choice. Proper system matching matters more than choosing an amplifier based on a single power figure.

Consider Your Music Sources

Think about everything you want to connect to the amplifier. Depending on the model, useful connections and features may include:

RCA for analog sources
Optical or coaxial for compatible digital sources
USB for compatible digital audio devices
Phono input for a turntable
HDMI ARC for compatible TVs
Bluetooth, Wi-Fi or Ethernet for wireless and network audio
Subwoofer output for compatible 2.1 systems

Connections and features vary by model, so check the individual product specifications before purchasing.

Built-In Streaming or Separate Streamer?

If you want fewer components, a streaming amplifier can combine network playback and speaker amplification in one device.

If you prefer to choose or upgrade your digital source separately, an integrated or power amplifier can be paired with a compatible Media Player or music streamer.

Consider Amplifier Design

Amplifiers may use different designs such as Class A, Class AB or Class D. These approaches can differ in efficiency, heat generation, size and power implementation, while actual performance depends on the complete design of the individual amplifier.

Amplifier class alone should not be used as a measure of sound quality.

Common HiFi Amplifier Setups

Music Source → Integrated Amplifier → Passive Speakers
A traditional stereo setup combining system control and speaker amplification.

Network / Streaming Source → Streaming Amplifier → Passive Speakers
A simplified system for network and wireless music playback.

Source → Preamp → Power Amplifier → Passive Speakers
A modular HiFi setup with separate control and amplification components.

Turntable → Phono Stage → Amplifier → Passive Speakers
A vinyl setup when the required phono stage is not already built into the turntable or amplifier.

Find cables, connectors and other system essentials in our Audio Accessories collection.

Frequently Asked Questions

What type of amplifier do I need for passive speakers?

Passive speakers require compatible speaker amplification. An integrated amplifier, streaming amplifier or suitable power amplifier can all be used depending on how you want to handle music sources, volume control and streaming.

What is the difference between an integrated amplifier and a power amplifier?

An integrated amplifier combines source and volume control with speaker amplification. A power amplifier focuses primarily on amplification and is commonly paired with a compatible upstream control component.

Is a streaming amplifier better than a separate streamer and amplifier?

Neither approach is automatically better. A streaming amplifier can create a simpler system with fewer components, while separate components provide more flexibility for individual upgrades and system matching.

How much amplifier power do I need?

Power requirements depend on speaker impedance, sensitivity, listening distance, room size and preferred volume. Compare the amplifier and speaker specifications rather than selecting an amplifier based only on maximum wattage.

Explore Amplifiers by Type

Integrated Amplifiers — Source control and speaker amplification in one component.

Streaming Amplifiers — Network music playback and speaker amplification in one system.

Power Amplifiers — Dedicated amplification for modular HiFi systems.

Media Players — Add digital and network music sources to a compatible amplifier.

Audio Accessories — Find cables, connectors and other essentials for your audio system.

Arylic Arylic H50

Fosi Audio Fosi Audio ZA3

Arylic Arylic A30+

Fiio FiiO BR15 R2R

Arylic Arylic LA50

Fiio FiiO K11 R2R

Fosi Audio Fosi Audio T20X

Fosi Audio Fosi Audio T20

Fosi Audio Fosi Audio HT4S

Fosi Audio Fosi Audio BT30D Pro

Fosi Audio Fosi Audio TB10D

Fosi Audio Fosi Audio BT30D

Fosi Audio Fosi Audio V3

Fosi Audio Fosi Audio GR40

Fosi Audio Fosi Audio MC331

Fosi Audio Fosi Audio BT20A Pro

Fosi Audio Fosi Audio BT20A

sonos Sonos Amp

Arylic Arylic B50 SE

Arylic Arylic B50

Arylic Arylic A50+

HiFiMuse HiFiMuse B5

IEAST AudioCast AMP50

EMiUZEK WA30