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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
$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
$129.90 - $143.77
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Fosi Audio Fosi Audio Q6
Fosi Audio Q6 is a compact fixed-output desktop DAC for converting USB-C, optical or coaxial digital sources to RCA analog audio and sub-out.Its AK4493S and XMOS XU316 chipset supports PCM 32-bit/768kHz and DSD512 over USB while delivering 121dB SNR for a clean stereo system upgrade.Why it stands outAKM desktop conversionThe AK4493S DAC and premium supporting chipset target high-resolution, low-distortion stereo playback.High-resolution USB audioUSB supports PCM up to 32-bit/768kHz and native DSD512.Three digital source inputsUSB-C, optical and coaxial connect computers, TVs, streamers and CD transports.RCA plus sub-outAnalog RCA and sub-out simplify stereo or 2.1 integration.Best for Digital streamers and CD transports Computer-based HiFi systems TV optical PCM into an amplifier Fixed-output DAC systems with downstream volume control Not ideal for Headphone listening without a separate headphone amplifier Users needing built-in volume control or preamplification Analog sources such as turntables EMiUZEK Buying Notes Q6 is a fixed-output DAC, not a preamplifier; control volume downstream. It has no headphone output and requires an amplifier, headphone amp or powered speakers. The sub-out is line level and requires a powered subwoofer. Frequently asked questionsCan Q6 drive headphones?No. Add a separate headphone amplifier.Does it control volume?No. It is a fixed-output DAC, so use an amplifier, preamp or powered-speaker volume control.Can it connect to a turntable?No. It accepts digital inputs only.Can it connect to a TV?Yes, by optical or coaxial PCM audio.What does sub-out connect to?A powered subwoofer with a compatible line input.Does USB support DSD?Yes, up to DSD512 from a compatible source and playback setup.HOW TO CONNECTStreamer systemSource: Digital streamerConnection: Optical or coaxialOutput: RCATarget: Integrated amplifierNote: Control volume at the amplifier.Computer HiFiSource: PC, Mac or tabletConnection: USB-C audioOutput: RCATarget: Amplifier or powered speakersNote: Use compatible USB playback settings.2.1 systemSource: Digital sourceConnection: USB, optical or coaxialOutput: RCA + sub-outTarget: Amplifier + powered subwooferNote: Q6 output is fixed; manage levels downstream.Technical SpecificationsAudio performance Feature Specification DAC / USB chipset AK4493S / XMOS XU316 USB maximum PCM 32-bit / 768kHz; DSD512 Optical / coaxial Up to 32-bit / 192kHz SNR / Dynamic range ≥121dB / 121dB THD <0.00012% Connections and power Feature Specification Inputs USB-C, optical, coaxial Outputs RCA, sub-out Other components OPA1612, NE5532DR Power supply 5V / 2A Volume control No; fixed output Recommended System Setup Setup Connection Streamer system Streamer → Q6 → Integrated amplifier Computer system Computer → Q6 → Powered speakers 2.1 system Digital source → Q6 → Amplifier + powered subwoofer Additional Product ContentFosi Audio product comparisonCompare the models by the differences that most affect system matching and everyday use. Feature Q6 Q4 ZD3 Product position Fixed-output stereo DAC DAC + headphone amp / volume control Balanced DAC / preamp DAC chip AK4493S 97220-based chipset ES9039Q2M USB maximum 32-bit / 768kHz, DSD512 24-bit / 96kHz 32-bit / 768kHz, DSD512 Other inputs Optical, coaxial Optical, coaxial HDMI ARC, optical, coaxial, Bluetooth Analog outputs RCA, sub-out RCA RCA, XLR Headphone output No 3.5mm No Volume control No Yes Yes with bypass Balanced output No No Yes, XLR SNR ≥121dB ≥105dB ≥126dB Best use Simple high-performance DAC Entry headphones and desktop Flexible balanced TV/HiFi hub
$85.00 - $105.48
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Arylic RAKOSO H400
Arylic RAKOSO H400 is a professional 4-zone network streaming preamplifier designed for whole-home audio systems, commercial installations, and advanced multi-room setups. With four independent streaming zones, AirPlay 2, Spotify Connect, multi-room control, high-resolution audio decoding, and flexible analog and digital outputs, H400 provides a centralized solution for managing multiple audio areas with external amplifiers or active speakers. Why it stands out Four-Zone Independent Streaming System H400 integrates four independent streaming zones into one rack-mount audio controller. Control up to four audio zones Play different music in different rooms Synchronize multiple zones together Manage all zones through the 4STREAM app Professional Multi-Room Audio Control Designed for advanced home and commercial audio installations. Whole-house audio distribution External amplifier integration Active speaker compatibility Rack-mount installation Flexible Digital and Analog Connectivity H400 supports various audio sources and output configurations. RCA analog inputs and outputs Optical input/output Coaxial input/output USB playback Ethernet network connection Smart Home Integration H400 supports professional automation environments. RS232 control interface 12V trigger output Integration with smart home systems Best for Whole-home multi-room audio systems Luxury residential installations Commercial background music systems Multi-zone amplifier setups Professional audio integration projects Not ideal for Users looking for a simple Bluetooth receiver Users needing a built-in amplifier Users wanting a single-room desktop streamer Users without external amplifiers or active speakers EMiUZEK Buying Notes Arylic RAKOSO H400 is a streaming preamplifier, not a power amplifier. Passive speakers require external amplifiers. Each zone requires an amplifier or active speaker connection. H400 is designed for multi-zone installations rather than simple home audio upgrades. For direct speaker driving, consider a multi-zone amplifier such as HA400. FAQ Can Arylic RAKOSO H400 directly power passive speakers? No. H400 is a preamplifier and network streamer. It requires external power amplifiers to drive passive speakers. Typical setup: H400 → Power Amplifier → Passive Speakers How many audio zones does H400 support? H400 supports four independent audio zones. Each zone can operate separately or synchronize with other zones. Can different rooms play different music at the same time? Yes. Each zone can be controlled independently through the 4STREAM application. Does Arylic RAKOSO H400 support AirPlay 2? Yes. H400 supports AirPlay 2 for wireless streaming from compatible Apple devices. Does Arylic RAKOSO H400 support Spotify Connect? Yes. H400 supports Spotify Connect for direct streaming without Bluetooth compression. Can Arylic RAKOSO H400 work with active speakers? Yes. Each zone can connect directly to compatible active speakers through audio outputs. Can Arylic RAKOSO H400 be installed in a rack? Yes. H400 uses a compact 1U rack-mount chassis suitable for professional installations. HOW TO CONNECT Multi-Zone Amplifier Setup Source icon: Streaming ServicesSource: AirPlay / Spotify / Network MusicConnection: WiFi / EthernetOutput connection: Zone OutputTarget icon: amplifierOutput: Multi-Zone Amplifiers + Speakers Note: Build a whole-home audio distribution system. Active Speaker Setup Source icon: smartphoneSource: Streaming ServicesConnection: WiFi / EthernetOutput connection: RCA OutputTarget icon: speakersOutput: Active Speakers Note: Use H400 as a multi-room streaming controller. Rack Audio Installation Source icon: NetworkSource: Streaming ServicesConnection: EthernetOutput connection: Rack Audio SystemTarget icon: amplifiersOutput: Professional Audio Installation Note: Designed for larger residential and commercial systems. Technical Specifications Streaming & Connectivity Feature Specification Product Type 4-Zone Network Streaming Preamplifier WiFi 2.4GHz WiFi Ethernet RJ45 10/100M Bluetooth Bluetooth 5.0 Receiver Streaming Protocols AirPlay 2 / Spotify Connect / DLNA / UPnP / Qplay Multi-Room Supported Audio Processing Feature Specification DAC TI DAC Audio Decoding Up to 24-bit / 192kHz Supported Formats FLAC / MP3 / AAC / AAC+ / ALAC / APE / WAV Frequency Response 20Hz–20kHz Audio Inputs Feature Specification Analog Input RCA Digital Input Optical / Coaxial USB USB Host Playback Audio Outputs Feature Specification Zone Output 4 Independent RCA Outputs Digital Output Optical / Coaxial Trigger Output 12V Trigger Control Feature Specification App Control 4STREAM App Smart Home Control RS232 Rack Installation 1U Rack Mount General Feature Specification Power Input 12V / 2A Dimensions 43 × 20 × 4.5 cm Weight Approx. 3kg Recommended System Setup Setup Connection Home Multi-Room H400 → Amplifiers → Speakers Active Speaker Zones H400 → Active Speakers Rack Installation H400 → Multi-Channel Amplifier → Multiple Rooms What's in the box Arylic RAKOSO H400 ×1 Ethernet Cable ×1 Power Adapter ×1 Rack Mount Brackets ×2 User Manual ×1 EMIUZEK Download Center Access product manuals, firmware updates, and additional support resources. Arylic RAKOSO H400 manuals and downloads: https://emiuzek.com/pages/download Additional Product Content Arylic RAKOSO H400 vs Arylic HA400 Feature RAKOSO H400 HA400 Product Position 4-Zone Streaming Preamplifier 4-Zone Streaming Amplifier Built-in Amplifier No Yes Speaker Output No Yes External Amplifier Required Yes No Zones 4 Zones 4 Zones AirPlay 2 Yes Yes Spotify Connect Yes Yes Rack Installation 1U 2U Best Use Professional installations with existing amplifiers Complete multi-room speaker systems
$855.57 - $999.00
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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
$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
$78.08 - $79.90
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Fosi Audio Fosi Audio ZD3
Fosi Audio ZD3 is a fully balanced desktop DAC and preamplifier for computers, televisions, wireless sources and dedicated digital transports.The ES9039Q2M platform, HDMI ARC, USB, Bluetooth, XLR/RCA outputs and bypass mode make it a versatile digital hub for modern HiFi systems.Why it stands outFour reasons this product deserves a place in a well-planned audio system.ES9039Q2M Balanced ConversionThe flagship ESS DAC architecture supports high-resolution decoding and balanced analog output.HDMI ARC for Television AudioConnect a compatible TV directly and control a stereo system without relying on a separate AV receiver.Variable or Fixed OutputUse preamp mode for direct volume control or bypass mode for a fixed-level connection to another preamplifier.Trigger and Remote Integration12V trigger input/output, OLED display and remote control streamline everyday system operation.Best for TV-to-HiFi upgrades using HDMI ARC Balanced power amplifiers such as ZA3 or V3 Mono Computer USB audio systems Bluetooth and multi-source digital systems Active speakers with XLR or RCA input Not ideal for Users needing built-in speaker amplification Headphone listeners without a separate headphone amplifier Analog-only sources such as a turntable Systems requiring Wi-Fi network streaming apps inside the DAC EMiUZEK Buying Notes ZD3 is a DAC/preamp, not a speaker power amplifier; connect it to active speakers or a separate amplifier. Use bypass only when downstream equipment provides volume control, because bypass sends fixed-level output. HDMI is ARC audio input rather than a general HDMI video switch or HDMI output. Frequently Asked QuestionsCan the ZD3 drive passive speakers?No. Connect its XLR or RCA output to a power amplifier before passive speakers.Can it connect directly to a television?Yes, through a compatible HDMI ARC connection. Configure the television for supported digital audio output.Does it have a headphone output?No. Add a separate headphone amplifier if headphone listening is required.Can it connect to active speakers?Yes. Use XLR or RCA output and operate the ZD3 in preamp mode for volume control.What is bypass mode?It bypasses variable preamp control and sends fixed-level output to a downstream preamp or integrated amplifier.Does Bluetooth transmit to headphones?No. Bluetooth is an input for receiving audio from a source device.Does it support high-resolution USB audio?Yes, up to PCM 32-bit/768kHz and DSD512 over USB with compatible hardware and software.HOW TO CONNECTTV stereo systemSource: TelevisionConnection: HDMI ARCOutput: XLR or RCATarget: Power amplifier or active speakersNote: Select a compatible PCM output setting on the TV if required.Computer audioSource: PC / MacConnection: USBOutput: XLR or RCATarget: Power amplifier, headphone amp or active speakersNote: Some Windows configurations require the Fosi USB driver.Wireless audio systemSource: Phone / tabletConnection: Bluetooth 5.0Output: XLR or RCATarget: Amplifier or active speakersNote: Bluetooth is receive-only on the ZD3.Technical SpecificationsCore Architecture Feature Specification Product Type Balanced DAC / preamplifier DAC ESS ES9039Q2M USB Interface XMOS XU316 Bluetooth Chip QCC3031 Op-Amp LME49720; swappable design Digital Audio Feature Specification USB Maximum PCM 32-bit/768kHz; DSD512 Optical / Coaxial Maximum PCM 24-bit/192kHz Bluetooth Maximum PCM 24-bit/48kHz Bluetooth Codecs aptX HD, aptX, AAC, SBC Bluetooth Version 5.0 Inputs and Outputs Feature Specification Inputs USB, HDMI ARC, coaxial, optical, Bluetooth Outputs Balanced XLR; RCA XLR Output Level 5Vrms RCA Output Level 2.5Vrms Trigger 12V trigger input and output Measured Performance Feature Specification SINAD 126dB SNR ≥126dB THD+N <0.00008% Dynamic Range ≥123dB Noise Floor ≤2μV Power Supply DC 12V/1.5A Recommended System Setup Setup Connection TV HiFi TV → HDMI ARC → ZD3 → amplifier → passive speakers Balanced desktop Computer → USB → ZD3 → XLR active speakers Wireless system Phone → Bluetooth → ZD3 → amplifier or active speakers Additional Product Content Feature ZD3 ZH3 GR40 Product Position Balanced DAC / preamp DAC / headphone amp / preamp Tube DAC / headphone amp DAC Chip ES9039Q2M AKM AK4493SEQ Not specified USB Maximum PCM 768kHz / DSD512 PCM 768kHz / DSD512 Product-dependent lower tier HDMI ARC Yes No No Bluetooth Input Yes No Yes Headphone Output No 4.4mm, 6.35mm 3.5mm Analog Input No RCA No Balanced Line Output XLR XLR No Remote Control Yes Yes No Best Use TV and balanced amplifier hub Complete desktop/headphone hub Compact tube-flavoured desktop audio
$179.90
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sonos Sonos Port
Sonos Port is a wireless music streamer designed to connect traditional audio equipment to the Sonos ecosystem. With analog and digital outputs, AirPlay 2 support, and seamless multi-room control, Sonos Port allows existing amplifiers, receivers, and powered speakers to become part of a modern connected audio system. Why it stands out Bring Traditional Audio Into Sonos Sonos Port upgrades existing amplifiers and speakers with wireless streaming and multi-room audio capabilities. Flexible HiFi Connectivity With RCA analog output, digital output, and line-in support, Port integrates easily with a wide range of audio equipment. Seamless Multi-Room Control Enjoy synchronized music throughout your home using the Sonos ecosystem and intuitive app control. Designed for Existing HiFi Systems Port provides an easy way to modernize a traditional stereo setup without replacing your existing amplifier or speakers. Best for Existing HiFi amplifier systems Sonos multi-room audio expansion Active speaker systems Vinyl systems connected to Sonos Users upgrading traditional stereo equipment Not ideal for Users needing a built-in amplifier Users looking for a Bluetooth-only receiver Users wanting a standalone high-end DAC Users without existing audio equipment EMiUZEK Buying Notes Sonos Port is a streaming device, not a power amplifier. It requires an external amplifier, receiver, or powered speakers. It does not directly drive passive speakers. For vinyl playback, connect a turntable through a phono preamp or compatible amplifier with line output. A wired Ethernet connection is recommended for stable multi-room performance. FAQ Does Sonos Port have a built-in amplifier? No. Sonos Port is a streamer and requires an external amplifier or powered speakers. Does Sonos Port support AirPlay 2? Yes. It supports AirPlay 2 for compatible Apple devices. Can Sonos Port connect to a traditional amplifier? Yes. Connect Port to an amplifier or receiver through analog RCA or digital output to add Sonos streaming capability. Can Sonos Port connect to a turntable? Yes. A turntable can be connected through the Line-In connection of a compatible Sonos system. Does Sonos Port support Bluetooth? No. Sonos Port focuses on WiFi-based streaming rather than Bluetooth playback. Can Sonos Port be used with active speakers? Yes. The analog output can connect directly to compatible powered speakers. Does Sonos Port support multi-room audio? Yes. It can be integrated into a Sonos multi-room system with other Sonos products. HOW TO CONNECT HiFi Amplifier Setup Source icon: Streaming ServiceSource: Sonos App / Music ServicesConnection: WiFi / EthernetOutput connection: RCA / Digital OutputTarget icon: AmplifierOutput: Wireless HiFi System Note: Add Sonos streaming features to traditional amplifiers. Active Speaker Setup Source icon: Sonos SystemSource: Music StreamingConnection: NetworkOutput connection: RCATarget icon: Powered SpeakersOutput: Wireless Speaker System Note: Connect directly to active speakers. Vinyl Setup Source icon: TurntableSource: Analog AudioConnection: Line-InTarget icon: Sonos SystemOutput: Multi-Room Vinyl Playback Note: Share vinyl playback across Sonos rooms. Technical Specifications Audio Product Type: Wireless Music Streamer Audio Output: RCA Analog / Coaxial Digital Audio Input: RCA Line-In Digital Output: Coaxial DAC: Built-in Sonos Digital Audio Processing Connectivity WiFi: Supported Ethernet: Supported AirPlay 2: Supported Sonos Multi-Room: Supported 12V Trigger Output: Supported Control Control Method: Sonos App Voice Control: Supported through compatible voice assistants General Power: AC Power Application: HiFi System Upgrade / Multi-Room Audio Recommended System Setup Setup Connection Traditional HiFi Sonos Port → Amplifier → Speakers Active Speakers Sonos Port → Powered Speakers Vinyl System Turntable → Sonos Port → Sonos Rooms What's in the box Sonos Port ×1 Power Cable ×1 RCA Cable ×1 Ethernet Cable ×1 User Manual ×1 Download Center Access product manuals, technical documents, and support resources. https://emiuzek.com/pages/download Additional Product Content Sonos Port vs Sonos Amp Feature Sonos Port Sonos Amp Product Type Music Streamer Streaming Amplifier Built-in Amplifier No Yes Passive Speaker Support No Yes RCA Output Yes Yes Sonos Multi-Room Yes Yes Best Focus Upgrade existing HiFi systems Power passive speakers
$449.00 $399.00
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Fosi Audio Fosi Audio K7
Fosi Audio K7 is a fully balanced desktop DAC and headphone amplifier designed for HiFi listening, gaming and communication.AK4493SEQ conversion, USB/optical/coaxial/Bluetooth inputs, microphone support and powerful 3.5mm and 4.4mm outputs make it a comprehensive desktop audio hub.Why it stands outFully balanced high-output designThe 4.4mm output provides at least 2.1W + 2.1W at 32Ω for compatible headphones.Audiophile digital architectureCombines an AK4493SEQ DAC, XMOS XU208 USB processor and TPA6120 headphone amplification.Gaming and microphone featuresA microphone input with noise reduction and physical EQ controls support gaming and online communication.Extensive source connectivityAccepts USB-C, optical, coaxial and Bluetooth aptX HD/LL sources.Best for Desktop HiFi headphone systems PC and console gaming TVs and projectors with digital output Powered speakers or amplifiers using RCA Not ideal for Directly driving passive speakers Portable battery-powered use Users requiring HDMI ARC EMiUZEK Buying Notes The 4.4mm output requires correctly wired balanced headphones; do not use an unsafe single-ended adapter. RCA is a line-level output for powered speakers or amplifiers, not passive speakers. Microphone compatibility and console operation depend on the selected input mode and system settings. Frequently asked questionsWhat is the maximum headphone output?The balanced output is rated at ≥2.1W + 2.1W at 32Ω; the 3.5mm output is ≥600mW + 600mW at 32Ω.Does K7 support Bluetooth?Yes, including aptX HD and aptX LL.Can it connect to a TV?Yes, through compatible optical or coaxial PCM output.Can it power passive speakers?No. Use its RCA output with powered speakers or a power amplifier.Does it support microphones?Yes, through the 3.5mm microphone input and compatible system setup.What is the maximum USB resolution?PCM up to 32-bit/384kHz and DSD256.HOW TO CONNECTPC gaming and communicationSource icon: computerSource: PC / MacConnection: USB-C audio + microphoneOutput connection: 3.5mm or 4.4mm headphone outputTarget icon: headphonesOutput: Gaming headset / headphonesTV headphone systemSource icon: tvSource: TV / projectorConnection: Optical or coaxial PCMOutput connection: Headphone outputTarget icon: headphonesOutput: Wired headphonesPowered speaker systemSource icon: streamerSource: PC / streamer / Bluetooth deviceConnection: USB, digital or BluetoothOutput connection: RCA line outputTarget icon: speakersOutput: Powered speakers or amplifierTechnical SpecificationsDigital architecture Feature Specification DAC AKM AK4493SEQ USB processor XMOS XU208 Headphone amplifier TPA6120 Maximum resolution PCM 32-bit / 384kHz; DSD256 Inputs USB-C; optical; coaxial; Bluetooth; 3.5mm microphone Outputs and performance Feature Specification Outputs 3.5mm single-ended; 4.4mm balanced; RCA 3.5mm rated output ≥600mW + 600mW @ 32Ω 4.4mm rated output ≥2.1W + 2.1W @ 32Ω SNR ≥121dB THD+N ≤0.0002% Power input DC 12V Additional Product ContentComparison: Which Fosi Audio model is right for you? Model K5 Pro Q4 K7 Primary use Gaming DAC with microphone Simple desktop DAC/headphone amp Premium HiFi and gaming DAC Inputs USB, optical, coaxial, microphone USB, optical, coaxial USB, optical, coaxial, Bluetooth, microphone Headphone output 3.5mm 3.5mm 3.5mm and 4.4mm balanced Maximum USB playback 24-bit / 96kHz 24-bit / 96kHz 32-bit / 384kHz; DSD256 Best use Budget gaming communication Basic music and TV upgrade High-output balanced desktop system
$111.48 - $199.90
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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
$699.00 $659.00
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Questyle Questyle M18i
Questyle M18i is a compact USB DAC and headphone amplifier designed to upgrade wired listening from phones, tablets and computers.Questyle Current Mode amplification, high-resolution decoding and 3.5mm single-ended and 4.4mm balanced provide a focused portable HiFi solution without an internal battery.Why it stands outFour core reasons to choose this Questyle model.Current Mode AmplificationQuestyle's patented amplification architecture is designed for wide bandwidth, fast transient response and low distortion.High-Resolution USB DecodingQuestyle flagship decoding platform supports high-resolution playback from compatible USB sources.Practical Headphone Connectivity3.5mm single-ended and 4.4mm balanced cover the intended wired headphone and IEM connections.Portable, Bus-Powered DesignThe compact unit draws power from the connected source and requires no separate charging routine.Best for Portable wired headphone listening USB-C phone and tablet audio Laptop and desktop headphone systems High-resolution local or streaming playback Not ideal for Wireless Bluetooth headphone users Users needing speaker power amplification Headsets requiring microphone pass-through Listeners needing an internal battery EMiUZEK Buying Notes Questyle M18i is a USB DAC/headphone amplifier, not a music player or speaker amplifier. USB cable compatibility depends on the source device; iPhone connection requirements vary by connector generation. Start with low gain and low volume when using sensitive IEMs. Frequently Asked QuestionsCan it drive passive speakers?No. It is designed for wired headphones and IEMs.Does it support Bluetooth?No. Audio input is through USB.Does it need charging?No internal battery is used; it is powered by the connected source.Can I use it with an iPhone?Yes with the appropriate compatible cable; MFi support applies where specified for the model.Does it support headset microphones?The headphone outputs are for audio playback and do not provide microphone pass-through.Can it work with a computer?Yes, through a compatible USB connection and operating-system audio output selection.HOW TO CONNECTUSB-C phoneSource: Phone / tabletConnection: USB-COutput: Headphone outputTarget: Wired IEMs or headphonesNote: Select the Questyle device as audio output if needed.Computer audioSource: PC / MacConnection: USBOutput: Headphone outputTarget: Wired headphonesNote: Use a compatible data cable, not a charge-only cable.Portable streamerSource: USB-capable digital playerConnection: USBOutput: Headphone outputTarget: Wired IEMsNote: Begin playback at low volume.Technical Specifications Feature Specification Product Type Portable USB DAC / headphone amplifier DAC Questyle flagship decoding platform Amplification Questyle Current Mode USB Input USB Type-C Headphone Outputs 3.5mm single-ended and 4.4mm balanced Power USB bus powered Maximum PCM Up to 32-bit/768kHz DSD Up to DSD512 Additional Function HD-call support with compatible devices Recommended System Setup Setup Connection Mobile Phone → USB → M18i → wired headphones Computer PC/Mac → USB → M18i → headphones Portable player USB digital player → M18i → IEMs Additional Product Content Feature M12i M15i M15C M18i Position Compact single-ended Premium dual-output USB-C dual-output Flagship mobile Headphone Outputs 3.5mm 3.5mm + 4.4mm 3.5mm + 4.4mm 3.5mm + 4.4mm Gain Control Automatic High / low High / low Model controls Best Use Simple portable setup Premium iOS/USB listening USB-C ecosystem Flagship portable system
$367.65
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Questyle Questyle M15C
Questyle M15C is a compact USB DAC and headphone amplifier designed to upgrade wired listening from phones, tablets and computers.Questyle Current Mode amplification, high-resolution decoding and 3.5mm single-ended and 4.4mm balanced provide a focused portable HiFi solution without an internal battery.Why it stands outFour core reasons to choose this Questyle model.Current Mode AmplificationQuestyle's patented amplification architecture is designed for wide bandwidth, fast transient response and low distortion.High-Resolution USB DecodingESS ES9281AC supports high-resolution playback from compatible USB sources.Practical Headphone Connectivity3.5mm single-ended and 4.4mm balanced cover the intended wired headphone and IEM connections.Portable, Bus-Powered DesignThe compact unit draws power from the connected source and requires no separate charging routine.Best for Portable wired headphone listening USB-C phone and tablet audio Laptop and desktop headphone systems High-resolution local or streaming playback Not ideal for Wireless Bluetooth headphone users Users needing speaker power amplification Headsets requiring microphone pass-through Listeners needing an internal battery EMiUZEK Buying Notes Questyle M15C is a USB DAC/headphone amplifier, not a music player or speaker amplifier. USB cable compatibility depends on the source device; iPhone connection requirements vary by connector generation. Start with low gain and low volume when using sensitive IEMs. Frequently Asked QuestionsCan it drive passive speakers?No. It is designed for wired headphones and IEMs.Does it support Bluetooth?No. Audio input is through USB.Does it need charging?No internal battery is used; it is powered by the connected source.Can I use it with an iPhone?Yes with the appropriate compatible cable; MFi support applies where specified for the model.Does it support headset microphones?The headphone outputs are for audio playback and do not provide microphone pass-through.Can it work with a computer?Yes, through a compatible USB connection and operating-system audio output selection.HOW TO CONNECTUSB-C phoneSource: Phone / tabletConnection: USB-COutput: Headphone outputTarget: Wired IEMs or headphonesNote: Select the Questyle device as audio output if needed.Computer audioSource: PC / MacConnection: USBOutput: Headphone outputTarget: Wired headphonesNote: Use a compatible data cable, not a charge-only cable.Portable streamerSource: USB-capable digital playerConnection: USBOutput: Headphone outputTarget: Wired IEMsNote: Begin playback at low volume.Technical Specifications Feature Specification Product Type Portable USB DAC / headphone amplifier DAC ESS ES9281AC Amplification Questyle Current Mode USB Input USB Type-C Headphone Outputs 3.5mm single-ended and 4.4mm balanced Power USB bus powered Maximum PCM 32-bit/384kHz DSD DSD256 Gain High / low Recommended System Setup Setup Connection Mobile Phone → USB → M15C → wired headphones Computer PC/Mac → USB → M15C → headphones Portable player USB digital player → M15C → IEMs Additional Product Content Feature M12i M15i M15C M18i Position Compact single-ended Premium dual-output USB-C dual-output Flagship mobile Headphone Outputs 3.5mm 3.5mm + 4.4mm 3.5mm + 4.4mm 3.5mm + 4.4mm Gain Control Automatic High / low High / low Model controls Best Use Simple portable setup Premium iOS/USB listening USB-C ecosystem Flagship portable system
$99.00 $81.70
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Questyle Questyle M15i
Questyle M15i is a compact USB DAC and headphone amplifier designed to upgrade wired listening from phones, tablets and computers.Questyle Current Mode amplification, high-resolution decoding and 3.5mm single-ended and 4.4mm balanced provide a focused portable HiFi solution without an internal battery.Why it stands outFour core reasons to choose this Questyle model.Current Mode AmplificationQuestyle's patented amplification architecture is designed for wide bandwidth, fast transient response and low distortion.High-Resolution USB DecodingESS ES9281AC supports high-resolution playback from compatible USB sources.Practical Headphone Connectivity3.5mm single-ended and 4.4mm balanced cover the intended wired headphone and IEM connections.Portable, Bus-Powered DesignThe compact unit draws power from the connected source and requires no separate charging routine.Best for Portable wired headphone listening USB-C phone and tablet audio Laptop and desktop headphone systems High-resolution local or streaming playback Not ideal for Wireless Bluetooth headphone users Users needing speaker power amplification Headsets requiring microphone pass-through Listeners needing an internal battery EMiUZEK Buying Notes Questyle M15i is a USB DAC/headphone amplifier, not a music player or speaker amplifier. USB cable compatibility depends on the source device; iPhone connection requirements vary by connector generation. Start with low gain and low volume when using sensitive IEMs. Frequently Asked QuestionsCan it drive passive speakers?No. It is designed for wired headphones and IEMs.Does it support Bluetooth?No. Audio input is through USB.Does it need charging?No internal battery is used; it is powered by the connected source.Can I use it with an iPhone?Yes with the appropriate compatible cable; MFi support applies where specified for the model.Does it support headset microphones?The headphone outputs are for audio playback and do not provide microphone pass-through.Can it work with a computer?Yes, through a compatible USB connection and operating-system audio output selection.HOW TO CONNECTUSB-C phoneSource: Phone / tabletConnection: USB-COutput: Headphone outputTarget: Wired IEMs or headphonesNote: Select the Questyle device as audio output if needed.Computer audioSource: PC / MacConnection: USBOutput: Headphone outputTarget: Wired headphonesNote: Use a compatible data cable, not a charge-only cable.Portable streamerSource: USB-capable digital playerConnection: USBOutput: Headphone outputTarget: Wired IEMsNote: Begin playback at low volume.Technical Specifications Feature Specification Product Type Portable USB DAC / headphone amplifier DAC ESS ES9281AC Amplification Questyle Current Mode USB Input USB Type-C Headphone Outputs 3.5mm single-ended and 4.4mm balanced Power USB bus powered Maximum PCM 32-bit/384kHz DSD DSD256 Gain High / low Apple Certification MFi Recommended System Setup Setup Connection Mobile Phone → USB → M15i → wired headphones Computer PC/Mac → USB → M15i → headphones Portable player USB digital player → M15i → IEMs Additional Product Content Feature M12i M15i M15C M18i Position Compact single-ended Premium dual-output USB-C dual-output Flagship mobile Headphone Outputs 3.5mm 3.5mm + 4.4mm 3.5mm + 4.4mm 3.5mm + 4.4mm Gain Control Automatic High / low High / low Model controls Best Use Simple portable setup Premium iOS/USB listening USB-C ecosystem Flagship portable system
$249.00 $198.55
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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
$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
$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
$176.00 - $209.00
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Arylic Arylic S10+
Arylic S10+ is a compact wireless network music streamer designed to upgrade traditional audio systems with modern streaming features. With WiFi streaming, Bluetooth 5.0, optical output, analog connections, USB playback, and multi-room capability, S10+ allows existing amplifiers, powered speakers, and HiFi systems to access modern music services without replacing your current setup. Why it stands out Upgrade Your Existing Audio System S10+ adds smart streaming capability to traditional audio equipment. WiFi music streaming Bluetooth 5.0 playback Optical digital output Analog line output Ethernet network connection Flexible Audio Integration Connect S10+ with different audio systems: Stereo amplifiers Active speakers External DACs Traditional HiFi receivers Use optical output for digital systems or analog output for direct connection. Multiple Music Sources Enjoy playback from: Streaming services Network music libraries USB storage devices Bluetooth devices External analog sources Compact Multi-Room Streaming S10+ can be used as part of a multi-room audio system, allowing multiple compatible Arylic devices to play synchronized or independent music. Best for Upgrading traditional amplifiers with streaming Adding WiFi music to active speakers External DAC and HiFi system users Bedroom and secondary audio systems Multi-room audio setups Not ideal for Users needing built-in speaker amplification Users looking for HDMI ARC TV connection Users wanting a touchscreen music player Users requiring a high-end streamer with advanced audiophile features EMiUZEK Buying Notes Arylic S10+ is a network music streamer, not an amplifier. Passive speakers require a separate amplifier. Optical output is recommended when connecting to external DACs or digital amplifiers. The USB port is designed for USB storage playback, not external USB DAC output. FAQ Can Arylic S10+ upgrade my existing amplifier? Yes. S10+ is designed to add wireless streaming capability to traditional amplifiers and stereo systems. Typical setup: Streaming Service → S10+ → Amplifier → Speakers Can Arylic S10+ connect to active speakers? Yes. S10+ can connect directly to active speakers through its analog output. Does Arylic S10+ support optical output? Yes. S10+ includes optical digital output for connection to external DACs, sound systems, and digital amplifiers. Can Arylic S10+ play music from USB storage? Yes. The USB Type-A port supports playback from compatible USB storage devices. Can Arylic S10+ connect through Ethernet? Yes. S10+ includes an RJ45 Ethernet port for a more stable wired network connection. Does Arylic S10+ support Bluetooth? Yes. S10+ supports Bluetooth 5.0 wireless playback from smartphones, tablets, and other compatible Bluetooth devices. Can Arylic S10+ be used in a multi-room system? Yes. Multiple compatible Arylic streaming devices can be combined for multi-room playback through supported applications. Can Arylic S10+ replace a Bluetooth receiver? Yes. Compared with traditional Bluetooth receivers, S10+ adds WiFi streaming, network playback, and wider system compatibility. HOW TO CONNECT Existing Amplifier Setup Source icon: streamerSource: Streaming ServicesConnection: WiFi / EthernetOutput connection: Optical or Analog OutputTarget icon: amplifierOutput: Stereo Amplifier Note: Add wireless streaming to your existing HiFi system. External DAC Setup Source icon: streamerSource: Streaming ServicesConnection: WiFi / EthernetOutput connection: Optical OutputTarget icon: DACOutput: External DAC + Amplifier Note: Use S10+ as a network streaming source. Active Speaker Setup Source icon: streamerSource: Streaming ServicesConnection: WiFi / BluetoothOutput connection: Analog OutputTarget icon: speakersOutput: Active Speakers Note: Upgrade active speakers with wireless streaming. Technical Specifications Streaming & Connectivity Feature Specification Streaming Protocols AirPlay, Spotify Connect, DLNA, UPnP, Qplay Network WiFi 2.4GHz Ethernet RJ45 10/100M Bluetooth Bluetooth 5.0 SBC/AAC Multi-Room Supported Audio Inputs Feature Specification Analog Input 3.5mm Line In Digital Input USB-C Digital Input USB Host USB Type-A Playback Audio Outputs Feature Specification Analog Output 3.5mm Line Out Digital Output Optical Output Audio Performance Feature Specification Supported Formats FLAC, MP3, AAC, AAC+, ALAC, APE, WAV Frequency Response 20Hz–20kHz SNR 91dB THD+N 0.03% General Feature Specification Power Input USB-C 5V/1A Dimensions 108 × 72 × 26.6 mm Recommended System Setup Setup Connection S10+ + Amplifier Streaming → S10+ → Amplifier → Speakers S10+ + External DAC Streaming → Optical → DAC → Amplifier S10+ + Active Speakers Streaming → S10+ → Active Speakers What's in the box Arylic S10+ ×1 Remote Control ×1 USB-C Power Cable ×1 Audio Cable ×1 User Manual ×1 EMIUZEK Download Center Access product manuals, firmware updates, and additional support resources. Arylic S10+ manuals and downloads: https://emiuzek.com/pages/download Additional Product Content Arylic S10+ vs Arylic LP10 vs WiiM Mini Feature Arylic S10+ Arylic LP10 WiiM Mini Product Position Entry Network Streamer Compact HiFi Streamer Smart Network Streamer Main Purpose Affordable system upgrade Higher flexibility streaming Streaming ecosystem integration Optical Output Yes Yes Yes Analog Output Yes Yes Yes Ethernet Yes Yes No USB Playback Yes Yes No Bluetooth Bluetooth 5.0 Bluetooth 5.2 Bluetooth Receiver External DAC Connection Optical Output Optical Output Optical Output Best Focus Affordable wireless upgrade Flexible digital streaming Smart streaming platform
$62.70 - $69.00
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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
$138.00 $89.00
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IEAST iEAST OLIO
iEAST OLIO is an ultra-compact Wi-Fi and Bluetooth audio receiver for adding modern streaming to an amplifier, powered speakers or soundbar.Dual-band Wi-Fi 5, AirPlay 2 and a combined analog/optical output make it a space-saving upgrade for existing audio systems. Why it stands outUltra-Compact Streaming UpgradeThe 54mm square enclosure fits easily behind a system or beside compact powered speakers.Dynamic Hi-Res Optical OutputOptical output follows the source sampling rate up to 24-bit/192kHz for a compatible external DAC.PCM5121 Analog OutputThe internal DAC provides a simple 3.5mm analog path to amplifiers and active speakers.Dual-Band Wireless ConnectivityWi-Fi 5 and Bluetooth 5.2 offer flexible network and direct-device playback. Best for Compact desktop audio Existing amplifiers and receivers Powered speakers and soundbars with audio input Small multi-room streaming zones Not ideal for Users needing passive-speaker amplification Systems requiring Ethernet Users needing analog or optical input EMiUZEK Buying Notes OLIO is a receiver/source and cannot directly drive passive speakers. Its 3.5mm socket combines stereo analog and optical digital output; the optical adapter is optional. The official accessory list identifies the 5V/1A power adapter as optional. Frequently asked questionsCan it drive passive speakers?No, connect it to an amplifier or powered speakers.Can I use an external DAC?Yes, use the optical output with the appropriate adapter/cable.Does it have Ethernet?No, network connection is through dual-band Wi-Fi.Does it have an audio input?No. The 3.5mm socket is an analog/optical output.Is Bluetooth transmit or receive?It receives Bluetooth audio from a phone, tablet or computer.Is a power adapter included?The official specification lists the 5V/1A adapter as optional; check the selected store variant. HOW TO CONNECTExisting AmplifierSource: Streaming servicesConnection: Wi-Fi / BluetoothOutput: 3.5mm analogTarget: Integrated amplifierPowered SpeakersSource: Phone / network audioConnection: Wi-Fi / BluetoothOutput: 3.5mm analogTarget: Powered speakersExternal DACSource: High-resolution network audioConnection: Wi-FiOutput: OpticalTarget: External DAC → amplifier Technical Specifications Feature Specification Product type Streaming HiFi audio receiver DAC TI PCM5121 Maximum output Up to 24-bit/192kHz via optical Signal-to-noise ratio 108dB Wi-Fi Dual-band Wi-Fi 5, 2.4/5GHz Bluetooth Bluetooth 5.2 Output Combined 3.5mm stereo analog / optical Power USB-C, 5V/1A Dimensions 54 × 54 × 13.5mm Additional Product ContentComparison: Which Compact Streamer Is Right for You?OLIO is the smallest dual-band iEAST option, M50 adds Ethernet and audio input, while WiiM Mini provides a different consumer software ecosystem. Feature iEAST OLIO iEAST M50 WiiM Mini Core buying reason Small dual-band receiver Flexible input/output streamer Entry consumer streamer Wi-Fi Dual-band Wi-Fi 5 2.4GHz 2.4GHz Ethernet No Yes No Audio input No Analog/optical No DAC PCM5121 ESS9023 PCM5121 Best use Small modern upgrade Mixed-source system Simple home streaming
$69.60 - $89.00
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IEAST AudioCast M5
AudioCast M5 is a compact Wi-Fi audio streamer that adds app-controlled network playback to an amplifier, receiver or powered speakers. Its simple analog output and multi-room capability offer an affordable way to modernize an existing audio system. Why it stands outAffordable network streaming upgradeAdds Wi-Fi music playback without replacing the amplifier or powered speakers you already own.Compact USB-powered designFits easily behind an audio system and can be powered from a suitable 5V USB source.Multi-room expansionMultiple compatible AudioCast units can play together or operate independently in different rooms.Simple analog integrationA 3.5mm stereo output connects directly to common AUX or line-level inputs. Best for Existing amplifiers with AUX input Powered speaker systems Entry-level multi-room audio Compact background-music systems Users wanting Wi-Fi rather than Bluetooth streaming Not ideal for Users needing Bluetooth audio Systems requiring Ethernet Users needing optical or coaxial output Passive speakers without an amplifier EMiUZEK Buying Notes M5 is a streamer, not a power amplifier; it cannot drive passive speakers directly. It uses 2.4GHz Wi-Fi and does not include Ethernet or Bluetooth. Connect its 3.5mm output to a line/AUX input, not a PHONO input. Frequently asked questionsCan M5 drive passive speakers?No. Use an amplifier or powered speakers.Does it support Bluetooth?No. AudioCast M5 is a Wi-Fi streamer.Can it connect by Ethernet?No. Network access is through 2.4GHz Wi-Fi.Does it have a digital output?No. It provides a 3.5mm analog stereo output.Can several M5 units play together?Yes, compatible AudioCast devices can be grouped for multi-room playback.Can it connect to a soundbar?Only when the soundbar has a compatible analog AUX input. HOW TO CONNECTExisting amplifierSource: Streaming servicesConnection: 2.4GHz Wi-FiOutput connection: 3.5mm to RCA/AUXTarget: Stereo amplifierPowered speakersSource: Phone or network musicConnection: 2.4GHz Wi-FiOutput connection: 3.5mm analogTarget: Powered speakersMulti-room systemSource: AudioCast appConnection: Shared Wi-Fi networkOutput connection: Analog output in each roomTarget: Multiple amplifiers or powered speakers Technical Specifications Feature Specification Product type Wi-Fi audio streamer Network IEEE 802.11 b/g/n, 2.4GHz Output 3.5mm analog stereo Bluetooth Not supported Ethernet Not supported Streaming AirPlay, DLNA and compatible AudioCast services Power 5V/1A USB Additional Product Content📊 Comparison: Which AudioCast Streamer Is Right for You?Choose M5 for the lowest-cost analog Wi-Fi upgrade; choose Pro M20 when Bluetooth, Ethernet and optical output matter, or OLIO for a newer AirPlay 2-oriented system. Feature AudioCast M5 AudioCast Pro M20 iEAST OLIO Core buying reason Simple low-cost Wi-Fi streaming More connection flexibility Newer compact streaming platform Bluetooth No Yes Yes Ethernet No Yes No Digital output No Optical Optical Best use Analog AUX upgrade HiFi or external-DAC integration Apple-oriented compact system
$39.00 - $42.00
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IEAST AudioCast Pro M20
AudioCast Pro M20 is a compact Wi-Fi and Bluetooth audio receiver for adding wireless music to an existing HiFi system. Ethernet, analog and optical outputs make it a more flexible step up from basic Wi-Fi adapters. Why it stands outAnalog and optical output choicesConnect directly to an amplifier or powered speakers, or send digital audio to a compatible DAC.Stable wired or wireless networkingUse 2.4GHz Wi-Fi for convenient placement or Ethernet where network stability matters most.Bluetooth for quick playbackBluetooth 5.0 provides a simple alternative when app-based network streaming is unnecessary.Compact multi-room platformAdds AudioCast grouping and network playback without replacing an existing audio system. Best for Traditional amplifiers and receivers Powered speakers with analog or optical input External DAC systems Wired-network installations AudioCast multi-room systems Not ideal for Passive speakers without an amplifier Users requiring AirPlay 2 Systems needing HDMI ARC Users requiring balanced audio outputs EMiUZEK Buying Notes Pro M20 is a streamer/receiver, not a speaker power amplifier. Its optical output is the better choice when using a separate DAC; analog output uses the internal conversion stage. AirPlay support should not be confused with AirPlay 2. Frequently asked questionsCan it drive passive speakers?No. Connect it to an amplifier or powered speakers.Can I use an external DAC?Yes, connect the optical output to a compatible DAC.Does it have Ethernet?Yes, it includes 10/100 Ethernet.Does it support Bluetooth?Yes, Bluetooth 5.0 with SBC is supported.Is the optical port an output?Yes. The Pro M20 provides optical digital output.Does it support AirPlay 2?No. Official documentation lists AirPlay, not AirPlay 2. HOW TO CONNECTAnalog HiFi systemSource: Streaming servicesConnection: Wi-Fi or EthernetOutput connection: 3.5mm analogTarget: Amplifier or powered speakersExternal DAC systemSource: Network or Bluetooth audioConnection: Wi-Fi, Ethernet or BluetoothOutput connection: Optical digitalTarget: DAC → amplifierMulti-room installationSource: AudioCast appConnection: Shared networkOutput connection: Analog or opticalTarget: Audio system in each zone Technical Specifications Feature Specification Product type Wireless multi-room audio receiver Network 2.4GHz Wi-Fi; 10/100 Ethernet Bluetooth Bluetooth 5.0, SBC Outputs 3.5mm analog stereo; optical digital Streaming DLNA, AirPlay, Spotify Connect, QPlay Audio decoding Up to 24-bit/192kHz Power 5V/1A Dimensions 86 × 84 × 21mm Weight 69g Additional Product Content📊 Comparison: Which Compact Network Streamer Is Right for You?Choose Pro M20 when you want Ethernet, Bluetooth and optical output in one compact unit; choose M5 for a basic analog Wi-Fi upgrade, or M50 when analog/optical inputs and an ESS DAC are important. Feature AudioCast Pro M20 AudioCast M5 iEAST M50 Product position Flexible compact receiver Entry-level Wi-Fi adapter HiFi receiver with source inputs Bluetooth Yes No Yes Ethernet Yes No Yes Optical output Yes No Yes Audio inputs Streaming/Bluetooth focused None Analog and optical
$56.05 - $79.00
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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 unit Combines network music playback and stereo speaker amplification without requiring a separate streamer or power amplifier. 50W-per-channel speaker drive Delivers more useful output for bookshelf, ceiling and efficient floorstanding speakers than entry-level mini amplifiers. Flexible wired and wireless sources Accepts Wi-Fi, Ethernet, Bluetooth, optical, line-level and USB sources for a broad range of home-audio installations. Expandable multi-room playback Works 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 Product Details and Connection Views 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 system Source: Streaming servicesConnection: Wi-Fi or EthernetOutput connection: Speaker outputTarget: Passive speakers TV stereo system Source: TelevisionConnection: Optical PCMOutput connection: Speaker outputTarget: Passive speakers Local source system Source: 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
$169.00
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