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Arylic Arylic RK30
Description Arylic RK30 is a passive outdoor rock speaker designed for garden audio systems, landscape installations, and outdoor background music applications. Featuring a weather-resistant rock-style enclosure, full-range speaker driver, and durable outdoor construction, RK30 blends naturally into outdoor environments while delivering clear and balanced sound for gardens, patios, yards, and commercial spaces. Designed to work with external amplifiers, RK30 provides a discreet solution for creating outdoor audio systems without visible traditional speakers. Why it stands out Natural Rock Design RK30 features a realistic rock-style enclosure that blends naturally into gardens, patios, and outdoor environments while providing discreet background audio. Weather-Resistant Outdoor Construction Built with IP66 protection and a durable enclosure, RK30 is designed for reliable outdoor installation in landscape audio systems. Clear Full-Range Outdoor Sound The compact full-range driver delivers balanced sound coverage for outdoor music playback and background audio applications. Flexible Outdoor Audio Integration RK30 works with external amplifiers and multi-zone audio systems to create customized outdoor sound solutions. Best for Garden background music systems Patio entertainment areas Outdoor landscape audio Poolside audio setups Commercial outdoor spaces Not ideal for Users looking for wireless Bluetooth speakers Users needing built-in amplification Indoor desktop audio systems Users wanting a portable speaker EMiUZEK Buying Notes Arylic RK30 is a passive outdoor speaker and requires an external amplifier. It does not include Bluetooth, WiFi, or built-in streaming functions. Use weather-resistant speaker cable for outdoor installations. For stereo systems, use matched speaker pairs. Amplifier compatibility should be checked before installation. FAQ Does Arylic RK30 have built-in Bluetooth or WiFi? No. RK30 is a passive speaker and requires an external amplifier or audio system. Can Arylic RK30 be installed outdoors? Yes. RK30 is designed for outdoor landscape installations with weather-resistant construction and IP66 protection. Does Arylic RK30 require an amplifier? Yes. RK30 requires an external amplifier to provide power. Typical setup: Streaming Source → Amplifier → RK30 Where can Arylic RK30 be installed? RK30 is suitable for: Gardens Patios Yards Outdoor entertainment areas Landscape installations Can Arylic RK30 be used with Arylic amplifiers? Yes. RK30 can be paired with compatible Arylic amplifiers to build outdoor audio systems. Can Arylic RK30 be used in commercial applications? Yes. It is suitable for outdoor background music applications such as restaurants, resorts, and commercial spaces. What is the difference between RK30 and CK30C? RK30 is designed as an outdoor rock speaker, while CK30C is designed as an in-ceiling speaker. RK30 focuses on landscape integration, while CK30C focuses on discreet ceiling installation. HOW TO CONNECT Outdoor Garden Audio Setup Source icon: streaming amplifierSource: Music Streaming SystemConnection: Speaker CableTarget icon: rock speakersOutput: Arylic RK30 Note: Build a hidden outdoor audio system. Multi-Zone Outdoor Setup Source icon: multi-zone amplifierSource: Whole-Home Audio SystemConnection: Speaker OutputTarget icon: outdoor speakersOutput: Multiple RK30 Speakers Note: Create distributed outdoor background music. Technical Specifications Speaker System Feature Specification Product Type Passive Outdoor Rock Speaker Speaker Type Full-Range Speaker Driver Size 3 inch Impedance 4Ω Audio Performance Feature Specification Rated Power 30W Maximum Power 60W Frequency Response 80Hz–20kHz Sensitivity 85dB Design Feature Specification Installation Outdoor Landscape Installation Protection Rating IP66 Enclosure Weather-Resistant Rock Design Connection Speaker Wire Recommended System Setup Setup Connection Outdoor Streaming System Streamer → Amplifier → RK30 Garden Audio System Amplifier → Multiple RK30 Speakers Commercial Outdoor Audio Audio Controller → Amplifier → RK30 What's in the box Arylic RK30 Rock Speaker ×1 (For stereo outdoor systems, purchase a matched pair) EMIUZEK Download Center Access product manuals, technical documents, and support resources. https://emiuzek.com/pages/download Additional Product Content Arylic RK30 vs CK30C Feature RK30 CK30C Product Type Outdoor Rock Speaker In-Ceiling Speaker Installation Garden / Landscape Ceiling / Pendant Driver Type Full Range Coaxial Weather Protection IP66 IP66 Amplifier Required Yes Yes Best Use Outdoor background music Indoor/commercial ceiling audio
$169.00 $149.00
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Fiio FiiO BTR13
FiiO BTR13 Portable Hi-Res Bluetooth DAC and Amplifier Versatility meets high-fidelity. The FiiO BTR13 is the ultimate all-in-one portable audio solution. Designed to replace the legendary BTR3K, this compact device transforms your wired headphones into a high-resolution wireless system. With a built-in color display and fully balanced architecture, the BTR13 delivers a premium listening experience in a lightweight, clip-on body. Dual-Core Power & Visual Control Dual Cirrus Logic CS43131 DACs Don't compromise on sound quality for convenience. The BTR13 is engineered with two CS43131 DAC chips, working in a balanced configuration to lower the noise floor and increase dynamic range. This ensures that every note is reproduced with crystal-clear precision, whether you are listening via the 3.5mm standard or 4.4mm balanced output. 0.96-Inch IPS Color Display Unlike basic receivers, the BTR13 features a vibrant 0.96-inch color screen. Easily view critical information at a glance, including volume levels, power status, current Bluetooth codec (LDAC, aptX, etc.), and EQ settings. No more guessing—you are in total control. Seamless Connectivity for Every Scenario Global Bluetooth High-Res Support Powered by the Qualcomm QCC5125 Bluetooth chip, the BTR13 supports all major high-resolution wireless codecs, including LDAC, aptX HD, and aptX Adaptive. Enjoy stable, lag-free audio streaming with up to 96kHz/24bit resolution. Patented Car Mode (PC/Phone Switch) The BTR13 is not just for headphones. With its dedicated three-position toggle switch, you can instantly switch between "PC" (USB DAC), "BT" (Bluetooth), and "PHONE" modes. The patented Car Mode allows the device to power on and off automatically with your vehicle's engine, making it the perfect auxiliary audio upgrade for your car stereo. Technical Specifications Feature Detailed Specification DAC Chipset Dual Cirrus Logic CS43131 Bluetooth Chip Qualcomm QCC5125 Display 0.96-inch IPS Color Screen Outputs 3.5mm Single-Ended + 4.4mm Balanced Output Power L+R ≥ 220mW (32Ω Balanced) Codecs Supported LDAC, aptX Adaptive, aptX HD, AAC, SBC Battery Life Approx. 8 Hours (Charging time < 2h) USB DAC Mode Driver-free UAC 1.0 / High-Res UAC 2.0 Weight Approx. 28.6g Why Choose the FiiO BTR13? Ultra-Lightweight Clip Design: Weighing only 28.6g, it clips securely onto your shirt or pocket, making it ideal for gym sessions, commuting, or running. Independent Power Supply: The built-in amplifier has its own power supply system to ensure cleaner transmission and stronger drive capability for your IEMs. App Control: Compatible with the FiiO Control App, allowing you to customize the 10-band PEQ (Parametric EQ) and adjust channel balance to suit your hearing preference. Versatile USB DAC: Connect it to your laptop or Nintendo Switch via USB-C to act as an external sound card, instantly upgrading your gaming or movie audio. Frequently Asked Questions What is the difference between BTR13 and BTR15? The BTR13 is more compact and lighter, focusing on portability with a clip design. The BTR15 is larger, offers slightly higher power output, and features a glass sandwich design without a built-in clip. Can I use the mic for calls? Yes, the BTR13 has a built-in high-sensitivity omnidirectional microphone with cVc noise cancellation, ensuring clear voice calls even in noisy environments. Does it support simultaneous connection to two devices? Yes, thanks to Bluetooth multipoint technology, you can connect the BTR13 to your laptop and phone at the same time, ensuring you never miss a call while watching a movie.
$129.00 $99.00
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Fiio FiiO SR11
FiiO SR11 Desktop Digital Lossless Music Streamer Unlock the world of high-resolution streaming. The FiiO SR11 is a dedicated digital audio transport designed to modernize your Hi-Fi system. By connecting the SR11 to your existing DAC (Digital-to-Analog Converter), you can instantly enjoy lossless network streaming without relying on a computer. It is the ideal high-performance bridge for audiophiles using Roon or Apple devices. Roon Ready & AirPlay Support Certified Roon Ready Endpoint The SR11 is officially Roon Ready certified. This means it seamlessly integrates into your Roon ecosystem without any complex setup. When using Roon, you get bit-perfect playback of your local high-res library and streaming services (Tidal/Qobuz), bypassing the operating system's audio mixer for the purest possible sound quality. Convenient AirPlay Streaming Enjoy the convenience of wireless audio. The SR11 supports AirPlay, allowing you to push music instantly from your iPhone, iPad, or Mac. It’s the perfect solution for casual listening sessions where ease of use is priority, offering stable CD-quality transmission. Pure Digital Architecture Comprehensive Digital Outputs (No Analog) Designed strictly as a digital bridge, the SR11 focuses entirely on signal quality. It features Optical, Coaxial, USB Type-A, and USB Type-C outputs to connect to virtually any external DAC. Note: The SR11 does not have analog outputs (RCA/3.5mm) and must be connected to a DAC to produce sound. High-Speed Network Stability Streaming high-bitrate files requires a robust connection. The SR11 is equipped with a 1000Mbps Gigabit Ethernet port for ultra-fast, interference-free wired connections. It also supports dual-band Wi-Fi for flexible placement options on your desktop or Hi-Fi rack. Technical Specifications Feature Detailed Specification Device Type Digital Audio Transport (Requires external DAC) Streaming Protocols Roon Ready (Certified), AirPlay, DLNA Max Output (USB) PCM 768kHz/32bit, DSD256 (Native/DoP) Max Output (Coax/Opt) PCM 192kHz/24bit, DSD64 (DoP) Digital Outputs USB-A, USB-C, Optical, Coaxial Network 1000Mbps Ethernet / Dual-Band Wi-Fi Display Custom LCD Screen (Status/Volume/Mode) Dimensions 157 x 133 x 32 mm (Stackable with FiiO K11) Power Input DC 5V/2A (USB-C) Why Choose the FiiO SR11? The Ultimate K11 Companion: The SR11 shares the precise "Slim" design language and dimensions of the FiiO K11 DAC/Amp. Stack them together to create a compact, aesthetically pleasing, and powerful desktop headphone system. Silent Operation: Built with a fanless aluminum alloy chassis, the SR11 runs completely silent, ensuring no mechanical noise interferes with your music listening. Remote Control Included: Comes with a dedicated infrared remote for easy switching between inputs, network modes, and screen brightness adjustments. Future-Proofing: Firmware updates are easily handled, ensuring continued compatibility with streaming platforms. Frequently Asked Questions Does the FiiO SR11 have a headphone jack? No. The SR11 is a pure digital transport. It has no internal DAC or analog amplifier. You must connect its digital output to an external DAC (like the FiiO K11, K7, or K9) to hear sound. Does it support AirPlay 2 multi-room features? The SR11 supports the standard AirPlay protocol for stable point-to-point streaming from Apple devices. It does not currently support AirPlay 2 specific features like multi-room grouping with HomePods. What is the best way to get the highest sound quality? For the absolute best audio performance, we recommend using the Roon Ready mode or playing local files, which supports up to 768kHz/32bit and DSD256. AirPlay is limited to CD-quality (16bit/44.1kHz) by the protocol itself. Requires External DAC: This device does not output sound directly to speakers or headphones. It must be connected to a Digital-to-Analog Converter (DAC).
$109.99 - $119.00
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Fosi Audio Fosi Audio SK02
DescriptionFosi Audio SK02 is a compact desktop USB and optical DAC/headphone amplifier with 3.5mm and 4.4mm headphone outputs.An ES9038Q2M DAC, PCM 32-bit/384kHz and DSD256 decoding plus up to 755mW at 32Ω provide a capable all-in-one source for wired headphones and line-output systems.Why it stands outHi-res desktop DACES9038Q2M conversion supports PCM 384kHz and DSD256 over USB.Dual headphone outputs3.5mm single-ended and 4.4mm outputs support a wider range of headphone cables.Strong 4.4mm driveUp to 755mW at 32Ω provides useful power for many full-size headphones.DAC, headphone amp and pre-outThe 3.5mm line output can feed powered speakers or an external amplifier.Best for Desktop wired headphone systems PC and Mac high-resolution audio Users with 4.4mm headphone cables DAC/preamp use with powered speakers or an amplifier Not ideal for Analog source input Bluetooth wireless playback Microphone or gaming-chat input EMiUZEK Buying Notes SK02 accepts USB and optical digital inputs only; it has no analog input. The 4.4mm connection is for headphones; verify cable termination before use. Its 3.5mm output can operate as line out, while optical can also be passed out for a downstream DAC. Frequently asked questionsCan I connect an analog source?No. Inputs are USB and optical digital audio.Does it support balanced headphones?It provides a 4.4mm headphone output; use a correctly terminated compatible cable.Can it feed powered speakers?Yes. Use the 3.5mm line output.Can it drive passive speakers?No. Add a power amplifier.What is the USB maximum?PCM 32-bit/384kHz and DSD256 from compatible software and sources.Can it output optical audio?Yes. The shared optical connection supports optical output for compatible downstream equipment.HOW TO CONNECTComputer headphonesSource: PC or MacConnection: USB-C audioOutput: 3.5mm or 4.4mm headphoneTarget: 16–300Ω headphonesNote: Select the correct gain and output mode.TV headphonesSource: TV or consoleConnection: Optical PCMOutput: Headphone outputTarget: Wired headphonesNote: Set the source to PCM stereo.Powered speakersSource: Computer or optical sourceConnection: USB or opticalOutput: 3.5mm line outTarget: Powered speakers or amplifierNote: Use line-out mode and manage system volume safely.Technical SpecificationsAudio performance Feature Specification DAC chip ESS ES9038Q2M USB maximum PCM 32-bit / 384kHz; DSD256 Optical maximum 24-bit / 192kHz Headphone impedance 16–300Ω 3.5mm output 190mW at 32Ω 4.4mm output 755mW at 32Ω THD ≤0.001% at 1kHz Connections and physical Feature Specification Inputs USB, optical Outputs 3.5mm headphone, 4.4mm headphone, 3.5mm line out / optical out Frequency response 20Hz–20kHz (±0.02dB) Power 5V USB-C Dimensions 121 × 51 × 43mm Weight 380g Recommended System Setup Setup Connection Computer headphones Computer → USB → SK02 → Headphones TV headphones TV optical PCM → SK02 → Headphones Powered speakers Digital source → SK02 line out → Powered speakers Additional Product ContentFosi Audio product comparisonCompare the models by the differences that most affect system matching and everyday use. Feature SK02 SK01 Q4 Product position Hi-res desktop DAC/amp Analog headphone amp/preamp Entry DAC/amp with tone controls DAC chip ES9038Q2M No DAC 97220-based chipset Main inputs USB, optical 3.5mm analog USB, optical, coaxial USB maximum 32-bit / 384kHz, DSD256 No USB audio 24-bit / 96kHz Headphone outputs 3.5mm, 4.4mm 3.5mm, 6.35mm 3.5mm Maximum output at 32Ω 755mW via 4.4mm 2400mW high gain 100mW Analog line output 3.5mm 3.5mm RCA Tone controls No Three-band Bass and treble Battery operation No Yes No Best use Hi-res desktop headphones Powerful analog amplification Simple PC/TV audio
$116.99
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Fosi Audio Fosi Audio T20X
DescriptionFosi Audio T20X is a Bluetooth vacuum-tube integrated amplifier for passive speakers and wired headphones.Its upgraded 100W x2 output, replaceable tubes and bass/treble controls create a compact all-in-one amplifier for desktop and bookshelf systems. Why it stands outFour reasons this product deserves a place in a well-planned audio system.100W x2 Maximum OutputThe Class D power stage provides more headroom than the T20 for compatible passive speakers.Replaceable Tube StageTube rolling lets experienced users experiment with compatible tube options.Two Listening OutputsDrive passive speakers or use the 3.5mm headphone connection from the same amplifier.Simple Wireless and Analog PlaybackBluetooth and analog input cover the most common phone, streamer and DAC setups without a complex interface. Best for Bookshelf passive-speaker systems Bluetooth desktop audio Combined speaker and headphone listening Listeners wanting tube character with higher output than the T20 Not ideal for Users requiring optical, USB or HDMI audio Balanced XLR systems Turntables without phono amplification Systems needing a dedicated subwoofer output EMiUZEK Buying Notes T20X is an integrated amplifier and can directly drive compatible 2–8Ω passive speakers. Its analog input is line level; use a phono preamp with a conventional turntable. The maximum output figure depends on speaker impedance, supply voltage and test conditions. Frequently Asked QuestionsCan the T20X drive passive speakers?Yes. It is an integrated amplifier with passive-speaker outputs.Can it connect to a turntable?Yes when the turntable has a built-in phono preamp or an external phono preamp is used.Does it include a headphone output?Yes, a 3.5mm wired headphone output is provided.Does it support optical or USB audio?No. Use Bluetooth or the analog input.Can the vacuum tubes be replaced?Yes. Use compatible tubes and switch the amplifier off before tube replacement.Can I connect an active subwoofer?No dedicated subwoofer output is specified; use a compatible system-level integration method. HOW TO CONNECTBluetooth stereoSource: Phone / tabletConnection: BluetoothOutput: Speaker terminalsTarget: Passive speakersNote: Keep initial volume low when pairing.Wired HiFiSource: Streamer / DAC / CD playerConnection: Analog line inputOutput: Speaker terminalsTarget: Passive speakersNote: Use a line-level source.Headphone systemSource: Bluetooth or analog sourceConnection: Bluetooth / line inputOutput: 3.5mm headphone outputTarget: Wired headphonesNote: Disconnect or lower speaker listening as appropriate. Technical SpecificationsAmplifier Feature Specification Product Type Bluetooth tube integrated amplifier Amplifier Chip TI TPA3221 Maximum Output 100W x2 at 4Ω Speaker Impedance 2–8Ω Audio Feature Specification Frequency Response 20Hz–20kHz (±1dB) THD ≤0.3% SNR ≥86dB Input Sensitivity ≤650mV Connectivity and Power Feature Specification Inputs Bluetooth; analog line input Outputs Passive speaker terminals; 3.5mm headphone Power Supply 24V/4.5A included DC Input Range 12–30V Recommended System Setup Setup Connection Wireless speaker system Phone → Bluetooth → T20X → passive speakers Wired stereo Streamer/DAC → line input → T20X → passive speakers Headphones Source → T20X → 3.5mm headphones Additional Product Content Feature T20X T20 P3 Product Position Higher-power tube integrated amp Compact tube integrated amp Tube preamp / headphone amp Passive Speaker Amplifier Yes Yes No Maximum Speaker Output 100W x2 at 4Ω 50W x2 at 4Ω Not applicable Inputs Bluetooth, line input Bluetooth 5.0, RCA Bluetooth, RCA Headphone Output 3.5mm 3.5mm 3.5mm Tone Controls Bass, treble Bass, treble Bass, treble Tube Rolling Compatible tubes Compatible tubes Compatible tubes Best Use More speaker headroom Compact speaker system Existing amplifier / active speakers
$99.90
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Fosi Audio Fosi Audio T20
DescriptionFosi Audio T20 is a compact Bluetooth tube integrated amplifier for passive speakers and wired headphones.It combines 50W x2 Class D speaker power with replaceable vacuum tubes, RCA input and tone controls for a warm, flexible desktop stereo system. Why it stands outFour reasons this product deserves a place in a well-planned audio system.Tube-Buffered SoundReplaceable vacuum tubes add the tube stage and allow compatible tube rolling.Speaker and Headphone ListeningThe T20 powers passive speakers and also provides a front 3.5mm headphone output.Bluetooth and RCA InputsSwitch between convenient wireless playback and a conventional analog source.Compact Tone ControlIndependent bass and treble controls make it easier to adapt the system to speakers, headphones and room acoustics. Best for Desktop passive-speaker systems Bluetooth music playback Headphone and speaker listening from one compact amplifier Listeners interested in compatible tube rolling Not ideal for Users requiring optical, USB or HDMI inputs Balanced XLR audio systems Turntables without a built-in or external phono preamp Users needing a dedicated subwoofer output EMiUZEK Buying Notes T20 is an integrated speaker amplifier and can directly drive compatible 4–8Ω passive speakers. Its RCA input is line level; a conventional turntable requires a separate phono preamplifier. The 3.5mm jack is a headphone output, not a microphone connection. Frequently Asked QuestionsCan the T20 drive passive speakers directly?Yes. Connect a compatible 4–8Ω passive speaker pair to the rear speaker terminals.Can I connect a turntable?Yes only when the turntable has a built-in phono preamp or is used with an external phono preamp.Does it work as a headphone amplifier?Yes, it includes a front 3.5mm headphone output.Does it accept digital audio?No. Inputs are Bluetooth and analog RCA; optical and USB audio are not provided.Can the tubes be replaced?Yes. Use only compatible tube types and power the unit off before replacement.Does it have a subwoofer output?No dedicated subwoofer output is specified. Use a subwoofer integration method supported by your wider system. HOW TO CONNECTBluetooth speaker systemSource: Phone / tabletConnection: BluetoothOutput: Speaker terminalsTarget: Passive speakersNote: Pair the source and set volume low before playback.Wired stereo systemSource: DAC / streamer / CD playerConnection: RCA line inputOutput: Speaker terminalsTarget: Passive speakersNote: Use a fixed or controlled line-level source.Headphone listeningSource: Phone via Bluetooth or RCA sourceConnection: Bluetooth / RCAOutput: 3.5mm headphone outputTarget: Wired headphonesNote: Lower volume before inserting headphones. Technical SpecificationsAmplifier Feature Specification Product Type Bluetooth tube integrated amplifier Amplifier Chip TI TPA3116 Maximum Speaker Output 50W x2 at 4Ω Speaker Impedance 4–8Ω Connectivity Feature Specification Inputs Bluetooth 5.0; RCA line input Outputs Passive speaker terminals; 3.5mm headphone Tone Controls Bass and treble Audio Feature Specification Vacuum Tubes Replaceable 6K4 pair Frequency Response 20Hz–20kHz (±1.5dB) THD ≤0.04% SNR ≥99dB Recommended System Setup Setup Connection Wireless stereo Phone → Bluetooth → T20 → passive speakers Wired stereo Streamer/DAC → RCA → T20 → passive speakers Headphones Source → T20 → 3.5mm headphones Additional Product Content Feature T20 T20X P3 Product Position 50W x2 tube integrated amp 100W x2 tube integrated amp Tube preamp / headphone amp Passive Speaker Amplifier Yes Yes No Inputs Bluetooth 5.0, RCA Bluetooth, AUX Bluetooth, RCA Speaker Output 50W x2 max at 4Ω 100W x2 max at 4Ω None Headphone Output 3.5mm 3.5mm 3.5mm Tone Controls Bass, treble Bass, treble Bass, treble Tube Rolling Compatible tubes Compatible tubes Compatible tubes Best Use Compact speaker/headphone system Higher-power speaker system Add tube preamp/headphone stage
$89.90
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Fosi Audio Fosi Audio HT4S
DescriptionFosi Audio HT4S is a compact 4.1/5.0-channel integrated amplifier for multi-speaker, outdoor-audio and simulator systems.Bluetooth, optical and 3.5mm inputs, five amplified channels and a switchable sub/center channel create a flexible multi-speaker system without a full-size AV receiver.Why it stands outSwitchable 4.1 or 5.0 operationConfigure four main speakers plus a subwoofer channel, or use five full-range speaker channels.Built-in multi-channel powerProvides four 30W channels plus a 60W sub channel in 4.1 mode, or five 30W channels in 5.0 mode.Digital and wireless inputsConnect optical PCM, 3.5mm analog or Bluetooth sources.Remote and front-panel controlAdjust source, volume, tone and operation without a separate controller.Best for Outdoor and patio multi-speaker systems Sim-racing bass-shaker installations Compact 4.1 or 5.0 speaker systems TV systems with optical PCM output Not ideal for Dolby or DTS surround decoding Systems requiring HDMI ARC Speakers below the specified 4Ω minimum EMiUZEK Buying Notes HT4S is a multi-channel amplifier, not an HDMI adapter or surround-sound decoder. Set the source to PCM stereo when using optical; encoded Dolby/DTS signals are not supported. The SUB/CEN output changes function with the selected mode, so confirm the switch setting before connecting speakers. Frequently asked questionsDoes HT4S have HDMI?No. Inputs are Bluetooth, optical and 3.5mm AUX.Does it decode Dolby or DTS?No. Use a compatible PCM signal.Can it run five passive speakers?Yes, in 5.0 mode with compatible 4–8Ω speakers.Can it power a passive subwoofer?Yes, in 4.1 mode through the dedicated amplified SUB/CEN channel.Does it have a line output?Yes, a 3.5mm pre-out is provided.Can it be used outdoors?It can power outdoor speakers, but the amplifier itself should remain protected indoors.HOW TO CONNECTOptical TV systemSource icon: tvSource: TV / projectorConnection: Optical PCMOutput connection: Speaker terminalsTarget icon: speakersOutput: Four or five passive speakersOutdoor multi-speaker systemSource icon: phoneSource: Phone / streamerConnection: Bluetooth or AUXOutput connection: Speaker terminalsTarget icon: speakersOutput: Outdoor passive speakersSim-racing systemSource icon: computerSource: PC / simulator audioConnection: Optical, AUX or BluetoothOutput connection: Speaker and SUB/CEN outputsTarget icon: speakersOutput: Speakers and compatible bass shaker / passive subwooferTechnical SpecificationsConnections Feature Specification Inputs Bluetooth; optical; 3.5mm AUX Outputs Five speaker channels; 3.5mm pre-out Speaker impedance 4–8Ω Amplification and physical Feature Specification 4.1 rated output 30W × 4 + 60W × 1 @ 4Ω 5.0 rated output 30W × 5 Maximum output 50W × 5 @ 4Ω SNR ≥88dB THD ≤0.03% AC input 110–240V Dimensions 6.1 × 7.2 × 2 in Additional Product ContentComparison: Which Fosi Audio model is right for you? Model HT4S BT30D BT30D Pro System type 4.1 / 5.0 multi-speaker 2.1 stereo Higher-output 2.1 stereo Digital input Optical None None Amplified outputs Up to five channels Stereo + passive subwoofer Stereo + passive subwoofer Maximum stated output 50W × 5 @ 4Ω 50W × 2 + 100W 165W × 2 + 350W @ 4Ω Best use Outdoor, sim racing, multi-speaker Compact moderate-output 2.1 Higher-output 2.1
$140.39
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Fosi Audio Fosi Audio P3
DescriptionFosi Audio P3 is a compact tube preamplifier and headphone amplifier with RCA and Bluetooth 5.1 source inputs.Replaceable 5654W tubes, aptX-family Bluetooth codecs, bass and treble controls and outputs for headphones, amplifiers and powered speakers make it a versatile analog control stage.Why it stands outTube preamplifier characterA true tube stage adds adjustable tube character between line-level sources and the rest of the audio system.Wireless and wired inputsBluetooth 5.1 with Qualcomm QCC3031 and RCA input support convenient source switching.Headphone and system outputsA 3.5mm headphone jack, RCA output and AUX output support personal listening and downstream components.Hands-on tone controlFront bass and treble controls help adapt sound to headphones, speakers and room conditions.Best for Adding Bluetooth and tube character to a power amplifier Desktop wired headphone listening Active speaker systems needing volume and tone control Users interested in replaceable tube tuning Not ideal for Driving passive speakers directly Turntables without a phono preamp Systems requiring USB, optical or coaxial digital inputs EMiUZEK Buying Notes P3 is a preamplifier/headphone amplifier, not a speaker power amplifier. Its RCA input is line level; a standard turntable needs a phono preamp. RCA and AUX are downstream outputs, while the front 3.5mm jack is for headphones. Frequently asked questionsCan P3 drive passive speakers?No. Connect it to a separate power amplifier or powered speakers.Can I use wired headphones?Yes. It supports 16–300Ω headphones through the front 3.5mm output.Does it accept digital inputs?Bluetooth is supported, but there is no USB, optical or coaxial input.Can I connect a turntable?Only through a built-in or external phono preamp before the RCA input.Can I connect an active subwoofer?The AUX or RCA line output can feed compatible downstream equipment; confirm the subwoofer's input and system gain arrangement.Are the tubes replaceable?Yes. The supplied 5654W tubes are replaceable with compatible tube types.HOW TO CONNECTPower amplifier systemSource: Streamer, DAC or Bluetooth deviceConnection: RCA or BluetoothOutput: RCA outputTarget: Power amplifier → passive speakersNote: P3 controls source level; the power amplifier drives the speakers.Powered speaker systemSource: Phone, streamer or DACConnection: Bluetooth or RCAOutput: RCA or AUX outputTarget: Powered speakersNote: Begin with low volume on both devices.Headphone setupSource: Phone, streamer or DACConnection: Bluetooth or RCAOutput: 3.5mm headphone outputTarget: 16–300Ω wired headphonesNote: Use the front volume and tone controls.Technical SpecificationsAudio performance Feature Specification Product type Tube preamplifier / headphone amplifier Headphone impedance 16–300Ω Headphone output 250mW at 16Ω; 150mW at 32Ω; 32mW at 250Ω; 20mW at 300Ω Frequency response 20Hz–20kHz (±1dB) SNR ≥103dB THD ≤0.02% Dynamic range 104dB Crosstalk 95dB Connectivity and power Feature Specification Inputs Bluetooth 5.1, RCA Outputs RCA, AUX, 3.5mm headphone Bluetooth chip Qualcomm QCC3031 Bluetooth codecs SBC, AAC, aptX, aptX HD, aptX LL Bluetooth range ≥10m Power input DC 12V / 1.5A–3A Recommended System Setup Setup Connection Stereo preamp Source → P3 → Power amplifier → Passive speakers Active speakers Source → P3 → Powered speakers Headphones Source → P3 → Wired headphones Additional Product ContentFosi Audio product comparisonCompare Fosi Audio compact preamplifier and tube DAC options by the capabilities that determine how they fit into a system. Feature P3 P4 GR40 Product position Tube preamp + headphone amp Solid-state analog preamp Tube DAC + headphone amp Analog inputs RCA RCA × 3 None Digital / wireless inputs Bluetooth 5.1 None Bluetooth, USB, optical, coaxial Main outputs RCA, AUX RCA, pre-out RCA Headphone output 3.5mm No 3.5mm Speaker amplification No No No Tube stage Yes, replaceable 5654W No Yes Tone controls Bass and treble Bass and treble with bypass Bass and treble Remote control No Yes No SNR ≥103dB ≥110dB ≥103dB Best use Bluetooth tube preamp and headphones Multiple analog source control Digital sources with tube conversion
$79.90
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Fosi Audio Fosi Audio DS1
DescriptionFosi Audio DS1 is a portable USB DAC and headphone amplifier for phones, tablets and computers.An ESS ES9038Q2M DAC, 3.5mm single-ended and 4.4mm balanced outputs, and high-resolution decoding provide a compact upgrade for wired headphones.Why it stands outESS ES9038Q2M conversionA proven ESS DAC architecture supports detailed portable playback.Dual headphone outputsConnect conventional 3.5mm headphones or compatible 4.4mm balanced headphones.High-resolution USB audioSupports PCM up to 32-bit/768kHz and native DSD512.Portable source-powered designRuns from the connected USB device without a separate battery or charger.Best for Wired headphone listening from USB-C phones Laptop and desktop USB audio Portable Hi-Res music systems Headphones requiring 3.5mm or 4.4mm output Not ideal for Wireless Bluetooth listening Headsets requiring microphone or inline-control support Driving passive speakers EMiUZEK Buying Notes DS1 has no battery and draws power from the connected source device. Use a compatible OTG adapter or cable for devices without USB-C; Lightning accessories may be required separately. Do not use a 3.5mm-to-4.4mm adapter with the balanced output. Frequently asked questionsDoes DS1 support both 3.5mm and 4.4mm headphones?Yes, it provides separate 3.5mm single-ended and 4.4mm balanced outputs.Does it include Bluetooth?No. DS1 is a wired USB DAC/headphone amplifier.Does it need charging?No. It is powered by the connected USB source.Can it work with Windows and Mac?Yes. It supports Windows and macOS, subject to the source device and playback software.Can it answer calls through a headset microphone?No. It is intended for audio playback and does not provide headset microphone control.Is warmth during use normal?Some warmth is normal for a compact high-output USB DAC.HOW TO CONNECTUSB-C phone listeningSource icon: phoneSource: USB-C phone / tabletConnection: USB-C audioOutput connection: 3.5mm headphone outputTarget icon: headphonesOutput: Wired headphonesBalanced portable listeningSource icon: phoneSource: USB-C phone / playerConnection: USB-C audioOutput connection: 4.4mm balanced outputTarget icon: headphonesOutput: Compatible balanced headphonesComputer audioSource icon: computerSource: Windows PC / MacConnection: USB audioOutput connection: 3.5mm or 4.4mm outputTarget icon: headphonesOutput: Wired headphonesTechnical SpecificationsAudio architecture Feature Specification Product type Portable USB DAC and headphone amplifier DAC chipset ESS ES9038Q2M Maximum PCM 32-bit / 768kHz DSD DSD64 / 128 / 256 / 512 Outputs and performance Feature Specification Headphone outputs 3.5mm single-ended; 4.4mm balanced Output power 120mW @ 32Ω single-ended; 220mW @ 32Ω balanced Recommended impedance 16–300Ω SNR 120dB Weight 38g Additional Product ContentComparison: Which Fosi Audio model is right for you? Model DS1 DS2 2024 DS3 Primary use Portable Hi-Res music Portable Hi-Res music Music and gaming spatial audio DAC / processing ESS ES9038Q2M Dual CS43131 Hardware 7.1 processing Maximum PCM 32-bit / 768kHz 32-bit / 384kHz 32-bit / 768kHz Maximum DSD DSD512 DSD256 DSD512 Maximum stated output 220mW @ 32Ω balanced 510mW @ 32Ω balanced (manual) 220mW @ 32Ω Best use Compact ESS dongle Higher-power balanced portable setup Gaming effects and spatial audio
$79.90
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Fosi Audio Fosi Audio MC101
DescriptionFosi Audio MC101 is a compact Bluetooth stereo integrated amplifier for passive speakers, styled with an illuminated analog VU meter.Bluetooth 5.3, RCA input, pre-out, tone controls and up to 100W per channel maximum output combine modern connectivity with tactile vintage-inspired control.Why it stands outIlluminated analog VU meterThe moving pointer provides a distinctive visual indication that follows the audio signal.Bluetooth and RCA inputsSwitch between Bluetooth 5.3 wireless playback and a conventional analog source.Passive-speaker amplificationDual TPA3116 amplifiers provide up to 100W × 2 maximum at 4Ω.Pre-out system expansionConnect compatible powered equipment or an additional amplifier from the line-level pre-output.Best for Desktop and bookshelf passive speakers Simple Bluetooth stereo systems Users who value physical tone controls Systems needing a pre-output for expansion Not ideal for HDMI ARC, optical or USB sources Headphone listening Turntables without a phono preamplifier EMiUZEK Buying Notes MC101 powers passive speakers; the pre-out is line level and should not be connected to passive speakers. The 100W × 2 figure is a maximum specification at 4Ω and depends on power supply and load. A turntable needs a built-in or separate phono preamplifier before the RCA input. Frequently asked questionsCan MC101 power passive speakers?Yes, through its rear speaker binding posts.Does it have a subwoofer output?It has a full-range pre-out; a powered subwoofer must provide a compatible input and crossover.Does it include a phono stage?No.Can it connect to a TV?Only when the TV provides compatible analog output; there is no optical or HDMI input.What Bluetooth codecs are supported?SBC and AAC.Can it drive headphones?No headphone output is provided.HOW TO CONNECTBluetooth stereoSource icon: phoneSource: Phone / tabletConnection: Bluetooth 5.3Output connection: Speaker terminalsTarget icon: speakersOutput: Passive speakersWired stereoSource icon: streamerSource: Streamer / DAC / TV analog outputConnection: RCA line inputOutput connection: Speaker terminalsTarget icon: speakersOutput: Passive speakersExpanded systemSource icon: streamerSource: Bluetooth or RCA sourceConnection: Bluetooth or RCAOutput connection: Pre-outTarget icon: speakersOutput: Powered subwoofer, powered speakers or downstream amplifierTechnical SpecificationsConnections Feature Specification Inputs Bluetooth 5.3; RCA Outputs Speaker binding posts; pre-out Bluetooth codecs SBC; AAC Bluetooth range ≥10m Amplification Feature Specification Channels 2 Amplifier chipset 2 × TI TPA3116 Maximum output 100W × 2 @ 4Ω SNR ≥100dB THD ≤0.03% Frequency response 20Hz–20kHz (±1.8dB) DC input 12–24V Supplied adapter 24V / 4.5A Additional Product ContentComparison: Which Fosi Audio model is right for you? Model MC101 BT20A BT20A Pro Amplifier Dual TPA3116 Dual TPA3116D2 TPA3255 Maximum stated output 100W × 2 @ 4Ω 100W × 2 300W × 2 @ 4Ω Pre-out Yes No 3.5mm variable pre-out Signature feature Illuminated VU meter Simple compact stereo Higher output and op-amp rolling Best use Vintage-style Bluetooth stereo Entry compact system Expandable higher-output system
$99.90
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Fosi Audio Fosi Audio BT30D Pro
DescriptionFosi Audio BT30D Pro is a TPA3255-based 2.1-channel Bluetooth integrated amplifier for passive stereo speakers and passive or powered subwoofers.High-output Class-D amplification, separate bass controls and flexible subwoofer connections make it a compact control center for a powerful 2.1 system. Why it stands outHigh-output 2.1 amplificationDedicated stereo and subwoofer channels provide up to 165 W × 2 plus 350 W maximum at 4 Ω.Flexible subwoofer supportConnect a passive subwoofer from the amplified output or powered equipment from the 3.5 mm full-range line output.Independent system tuningMaster volume, bass, treble, subwoofer volume and subwoofer frequency controls support practical room integration.Bluetooth and RCA inputsWorks with wireless mobile sources or conventional analog line-level equipment. Best for Higher-output compact 2.1 systems Passive bookshelf or floor-standing speakers Passive or powered subwoofer integration Desktop, living-room and small TV systems with analog audio Not ideal for Systems requiring HDMI ARC, optical or USB inputs Users needing a headphone output Turntables without a phono preamplifier EMiUZEK Buying Notes The advertised 165 W × 2 + 350 W figures are maximum ratings at 4 Ω and depend on the power supply and load. The 3.5 mm output is full-range; powered subwoofers should use their own crossover where required. Bluetooth has priority over RCA, so disconnect Bluetooth to return to the wired input. Frequently asked questionsCan it power passive speakers and a passive subwoofer?Yes. It provides amplified outputs for both.Can it connect to a powered subwoofer?Yes, using the 3.5 mm full-range output and the powered subwoofer's compatible input.Can it operate as a 2.0 amplifier?Yes. A subwoofer is optional.Does it support aptX?No. The official instructions state that aptX, aptX HD and aptX Low Latency are not supported.Can it connect directly to a turntable?Only if the turntable provides line-level output; otherwise add a phono preamplifier.Can it connect to a TV?Yes when the TV has compatible analog output. It does not have HDMI ARC or optical input. HOW TO CONNECTHigh-output passive 2.1 systemSource icon: streamerSource: Streamer / DAC / phoneConnection: RCA or BluetoothOutput connection: Stereo speaker terminals + passive subwoofer terminalsTarget icon: speakersOutput: Passive speakers + passive subwooferPowered subwoofer systemSource icon: TVSource: TV analog output / DACConnection: RCAOutput connection: Stereo speaker terminals + 3.5 mm full-range outputTarget icon: speakersOutput: Passive speakers + powered subwoofer Passive 2.0 stereo systemSource icon: streamerSource: Streamer / DAC / phoneConnection: RCA or BluetoothOutput connection: Stereo speaker terminalsTarget icon: speakersOutput: Two passive speakersNote: A subwoofer is optional; leave the subwoofer outputs unused for a 2.0 system.Technical SpecificationsInputs Feature Specification Bluetooth 5.0 Included RCA line input Included Outputs Feature Specification Stereo passive-speaker output Included Passive-subwoofer speaker output Included 3.5 mm full-range line output Included Amplification Feature Specification Amplifier Chip TI TPA3255 Maximum Output 165 W × 2 + 350 W at 4 Ω Speaker Impedance 2–8 Ω Frequency Response 20 Hz–20 kHz (±1 dB) THD ≤0.04% SNR ≥108 dB Input Sensitivity 700 mV Passive Subwoofer Frequency Adjustment up to 300 Hz Connectivity and power Feature Specification Bluetooth Range up to 50 ft without obstacles DC Input Range 12–36 V Power Adapter dependent on selected variant Additional Product ContentComparison: BT30D or BT30D Pro? Feature BT30D BT30D Pro Amplifier architecture 2 × TPA3116D2 TPA3255 Maximum output 50 W × 2 + 100 W 165 W × 2 + 350 W at 4 Ω DC input range Supplied 24 V / 4.5 A 12–36 V Best use Compact moderate-output 2.1 Higher-output 2.1 systems
$109.90 - $129.90
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Fosi Audio Fosi Audio TB10D
DescriptionFosi Audio TB10D is a compact analog stereo power amplifier for driving passive speakers from a line-level source.Its TI TPA3255 power stage, 300W x2 maximum rating and front bass/treble controls deliver strong value for simple, adjustable HiFi systems. Why it stands outFour reasons this product deserves a place in a well-planned audio system.TPA3255 AmplificationTexas Instruments Class D architecture provides high efficiency and substantial power from a compact chassis.300W x2 Maximum RatingThe amplifier offers useful headroom for compatible 2–8Ω passive speakers; real output depends on the supply and speaker load.Front Tone ControlsDedicated bass and treble knobs allow quick adjustment without an app or external equalizer.Straightforward Analog SystemOne RCA input and speaker outputs keep setup simple for users who already own a DAC, streamer or preamp. Best for Budget-focused passive-speaker systems Users who want physical bass and treble adjustment Desktop and small-room stereo systems Pairing with an existing DAC, streamer or preamp Not ideal for Users requiring Bluetooth, USB, optical or HDMI inputs Balanced XLR systems Headphone listening Systems requiring a dedicated subwoofer or preamplifier output EMiUZEK Buying Notes TB10D is an analog speaker amplifier; it requires a separate line-level source. The 300W x2 figure is a maximum rating under specific conditions, not continuous output with every power supply and speaker. It has no headphone, Bluetooth or dedicated subwoofer output. Frequently Asked QuestionsCan the TB10D drive passive speakers directly?Yes. It supports compatible 2–8Ω passive speakers.Does it include Bluetooth?No. Add a Bluetooth receiver or streamer to the RCA input if wireless playback is needed.Can I connect a turntable?Only through a turntable with built-in phono output or a separate phono preamplifier.Does it have a subwoofer output?No dedicated subwoofer or pre-out is provided.Can I use a DAC or network streamer?Yes. Connect its analog line output to the TB10D RCA input.What does 300W x2 mean?It is the specified maximum output under particular supply and load conditions; usable continuous power varies with the system. HOW TO CONNECTDAC stereo systemSource: Computer / digital sourceConnection: USB or digital to DAC; RCA from DACOutput: Speaker terminalsTarget: Passive speakersNote: Set the DAC to line or controlled output as appropriate.Network streaming systemSource: Network streamerConnection: RCA line outputOutput: Speaker terminalsTarget: Passive speakersNote: Use the streamer for source selection and playback.TV stereo systemSource: TelevisionConnection: Optical/HDMI to external DAC; RCA to TB10DOutput: Speaker terminalsTarget: Passive speakersNote: TB10D does not accept TV digital audio directly. Technical SpecificationsAmplifier Feature Specification Product Type Analog stereo Class D amplifier Amplifier Chip TI TPA3255 Maximum Output 300W x2 at 4Ω Speaker Impedance 2–8Ω Audio Feature Specification Frequency Response 20Hz–40kHz (±2dB) THD ≤0.3% SNR ≥90dB Input Sensitivity ≤600mV Connectivity and Power Feature Specification Input Stereo RCA line input Output Passive speaker binding posts Tone Controls Bass and treble DC Input 18–48V Included Power Supply 32V/5A Recommended System Setup Setup Connection DAC system Digital source → DAC → RCA → TB10D → passive speakers Streamer system Streamer → RCA → TB10D → passive speakers TV system TV → external DAC → RCA → TB10D → passive speakers Additional Product Content Feature TB10D V3 Stereo BT20A Pro Product Position Tone-control stereo amp Pure stereo amp Bluetooth stereo amp Amplifier Chip TPA3255 TPA3255 TPA3255 Maximum Output 300W x2 at 4Ω 300W x2 at 4Ω 300W x2 at 4Ω Analog Input RCA RCA RCA Bluetooth No No Yes Tone Controls Bass, treble No Bass, treble Pre-out No Yes Yes Speaker Load 2–8Ω 2–8Ω 2–8Ω Best Use Simple adjustable stereo Minimal pure analog path Wireless stereo system
$79.90
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Fosi Audio Fosi Audio BT30D
DescriptionFosi Audio BT30D is a compact 2.1-channel Bluetooth integrated amplifier for two passive speakers and a passive or powered subwoofer.Dedicated subwoofer level and crossover controls make it a straightforward way to build an adjustable small-room, desktop or TV audio system. Why it stands outTrue 2.1-channel speaker controlSeparate stereo and subwoofer amplification supports passive speakers plus a passive subwoofer from one compact unit.Passive and powered subwoofer flexibilitySpeaker-level subwoofer output and a line-level subwoofer connection support different bass-system configurations.Dedicated bass integrationSubwoofer volume and cutoff adjustment help blend low frequencies with the main speakers. Compact analog controlMaster volume, bass, treble, subwoofer level and crossover adjustment are available directly from the front panel.Best for Compact 2.1 passive-speaker systems Desktop and small-room audio Adding an adjustable subwoofer to bookshelf speakers Bluetooth or RCA playback Not ideal for Systems requiring HDMI ARC or digital audio inputs Users needing a headphone output Large high-output home-theater systems EMiUZEK Buying Notes The main left/right outputs are for passive speakers. Use the dedicated speaker output for a passive subwoofer or the line-level output for a powered subwoofer. It has no phono stage; a turntable requires line output or an external phono preamplifier. Frequently asked questionsCan it power a passive subwoofer?Yes, through the dedicated subwoofer speaker output.Can it connect to a powered subwoofer?Yes, through its line-level subwoofer output.Can it be used without a subwoofer?Yes, it can operate as a 2.0-channel amplifier for passive speakers.Can it connect to a TV?Yes when the TV provides compatible analog audio output; it has no HDMI or optical input.Can it power active speakers?The main speaker outputs are amplified for passive speakers. A compatible line-level output should be used for powered equipment.Does it include Wi-Fi streaming?No. Wireless playback is through Bluetooth. HOW TO CONNECTPassive 2.1 systemSource icon: phoneSource: Phone / streamerConnection: Bluetooth or RCAOutput connection: L/R speaker terminals + passive subwoofer terminalsTarget icon: speakersOutput: Two passive speakers + passive subwooferPowered subwoofer systemSource icon: TVSource: TV analog output / DACConnection: RCAOutput connection: L/R speaker terminals + line-level sub outputTarget icon: speakersOutput: Passive speakers + powered subwoofer Passive 2.0 stereo systemSource icon: streamerSource: Streamer / DAC / phoneConnection: RCA or BluetoothOutput connection: Left and right speaker terminalsTarget icon: speakersOutput: Two passive speakersNote: A subwoofer is optional; the BT30D can operate as a conventional stereo amplifier.Technical SpecificationsInputs Feature Specification Bluetooth 5.0 Included RCA line input Included Outputs Feature Specification Stereo passive-speaker output Included Passive-subwoofer speaker output Included Line-level output for powered subwoofer Included Amplification Feature Specification Amplifier Chipset 2 × TI TPA3116D2 Maximum Main Output 50 W × 2 Maximum Subwoofer Output 100 W Speaker Impedance 2–8 Ω Subwoofer Cutoff Adjustment 20–200 Hz Connectivity and physical Feature Specification Bluetooth Range up to 15 m / 49 ft without obstacles Dimensions 118 × 132 × 35 mm Supplied Power Adapter 24 V / 4.5 A Additional Product ContentComparison: BT30D or BT30D Pro? Feature BT30D BT30D Pro Amplifier architecture 2 × TPA3116D2 TPA3255 Maximum output 50 W × 2 + 100 W 165 W × 2 + 350 W at 4 Ω DC input range Supplied 24 V / 4.5 A 12–36 V Best use Compact moderate-output 2.1 Higher-output 2.1 systems
$79.90
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Fosi Audio Fosi Audio V3
DescriptionThis Fosi Audio V3 listing is for the V3 Mono compact monoblock power amplifier, sold in single-amp and stereo-pair configurations depending on the selected variant.Its TPA3255-based architecture, XLR balanced/RCA inputs and 240W rated mono output support scalable, high-power passive-speaker systems. Why it stands outFour reasons this product deserves a place in a well-planned audio system.True Monoblock ArchitectureEach V3 Mono amplifies one audio channel, allowing separate left/right amplification in a stereo pair.XLR Balanced and RCA InputsThe selectable input formats make integration practical with balanced preamps, DACs and conventional RCA sources.240W Rated Mono OutputStrong single-channel output supports demanding compatible passive speakers when correctly powered.Scalable Power OptionsVariants include amplifier-only and power-supply bundles, including configurations for one or two monoblocks. Best for Stereo systems using two monoblock amplifiers Balanced XLR preamp or DAC systems Compact high-power passive-speaker installations Users planning a modular amplifier upgrade Not ideal for Buyers expecting one unit to power both stereo channels Users without a preamp, DAC or source with volume control Headphone or powered-speaker systems Buyers who have not checked whether their selected variant includes a power supply EMiUZEK Buying Notes This product is V3 Mono: one amplifier powers one speaker channel; two units are required for conventional stereo. Check the selected variant carefully because amplifier quantity and included power supply differ. Use a preamp, DAC or source with suitable volume control; V3 Mono is a power amplifier, not a complete source device. Frequently Asked QuestionsDo I need one or two V3 Mono amplifiers?One unit powers one channel. A standard two-channel stereo system requires two monoblocks.Does every variant include a power supply?No. The listing includes amplifier-only and power-supply bundle options; verify the selected variant.Can it connect to an XLR source?Yes. It supports balanced XLR input as well as RCA input.Can it drive headphones?No. It is a passive-speaker power amplifier and has no headphone output.Does it include Bluetooth or a DAC?No. Connect a compatible external preamp, DAC or streamer.Can I use one 48V/10A supply with two units?A listed two-amplifier bundle is available with a 48V/10A supply; use only the configuration and cabling supplied or specified for that variant. HOW TO CONNECTBalanced stereo systemSource: Balanced DAC / preampConnection: XLR to each monoblockOutput: Speaker terminalsTarget: One passive speaker per V3 MonoNote: Use two units for left and right channels.RCA stereo systemSource: RCA preamp / controlled DACConnection: RCA to each monoblockOutput: Speaker terminalsTarget: One passive speaker per V3 MonoNote: Split left and right outputs to separate units.Single-channel systemSource: Mono source / preamp channelConnection: XLR or RCAOutput: Speaker terminalsTarget: One passive speakerNote: One unit powers one channel only. Technical SpecificationsAmplifier Feature Specification Product Type Mono Class D power amplifier Amplifier Chip TI TPA3255 Rated Output 240W mono Channels per Unit 1 Connectivity Feature Specification Inputs XLR balanced; RCA Output Passive speaker binding posts Input Selection Balanced / RCA selectable Headphone Output None Power and Design Feature Specification Power Options Variant-dependent: no PSU, 48V/5A or 48V/10A bundles Cooling Full-body heat-dissipation chassis System Requirement Preamp or source with volume control Recommended System Setup Setup Connection Balanced stereo Balanced DAC/preamp → two V3 Mono amps → passive speaker pair RCA stereo RCA preamp → two V3 Mono amps → passive speaker pair Single channel Mono line source → one V3 Mono → one passive speaker Additional Product Content Feature V3 Mono ZA3 V3 Stereo Amplifier Format Monoblock Stereo / mono-capable Stereo Channels per Unit 1 2 stereo or 1 mono 2 Amplifier Chip TPA3255 TPA3255 TPA3255 Inputs XLR balanced, RCA XLR balanced, RCA RCA Rated / Maximum Positioning 240W rated mono High-power stereo/mono 300W x2 maximum Stereo Units Required 2 1 in stereo mode 1 Pre-out No Subwoofer output 3.5mm pre-out Tone Controls No No No Best Use Dedicated monoblock stereo Flexible balanced amp Simple RCA stereo
$109.00 - $279.00
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Fosi Audio Fosi Audio Box X5
DescriptionFosi Audio Box X5 is a compact phono preamplifier for moving-magnet and moving-coil turntable cartridges.Four selectable gain settings, precise RIAA equalization and low-noise components make it a flexible upgrade between a turntable and a line-level amplifier or powered speakers. Why it stands out MM and MC cartridge supportA front-panel cartridge selector and 38 / 48 / 56 / 66 dB gain settings accommodate a broad range of phono cartridges. Precision analog signal pathOPA1612 amplification, precision film components and gold-plated RCA connections are designed for accurate, low-noise vinyl playback. Simple system integrationDedicated RCA input, RCA output and grounding terminal provide a straightforward connection between a turntable and a line-level audio system. Low-noise, user-friendly analog designAn aluminum chassis, one-touch controls and dedicated grounding support make setup straightforward while helping preserve a clean phono signal.Best for Turntables with MM or MC cartridges Vinyl systems without a built-in phono stage Upgrading an entry-level integrated phono preamp Compact desktop or living-room analog systems Not ideal for Turntables that only provide USB audio Users needing Bluetooth or digital inputs Directly driving passive speakers or headphones EMiUZEK Buying Notes Box X5 is a phono preamplifier, not a speaker power amplifier. Connect its RCA output to a line-level AUX input, powered speakers or a separate amplifier; do not connect it to another PHONO input. Select MM/MC mode and gain according to the cartridge manufacturer's output specification. Frequently asked questions Does Box X5 support both MM and MC cartridges?Yes. It provides selectable MM/MC operation and four gain settings. Does it include Bluetooth, USB or optical input?No. Box X5 is an analog phono stage with RCA phono input and RCA line output. Can it power passive speakers?No. A separate power amplifier or powered speakers are required. Can it be connected to powered speakers?Yes, provided the speakers have a compatible analog line input and their own volume control. Should I connect the turntable ground wire?Yes, when the turntable provides one. Proper grounding helps reduce hum. Can it be used as a normal line-level preamplifier?No. Its gain and RIAA equalization are designed specifically for phono cartridges. HOW TO CONNECT Turntable to integrated amplifierSource icon: turntableSource: MM or MC turntableConnection: RCA phono input + groundOutput connection: RCA line outputTarget icon: amplifierOutput: AUX / line input on an integrated amplifierNote: Do not connect the Box X5 output to another PHONO input. Turntable to powered speakersSource icon: turntableSource: MM or MC turntableConnection: RCA phono input + groundOutput connection: RCA line outputTarget icon: speakersOutput: Powered speakers with analog input Turntable to headphone systemSource icon: turntableSource: MM or MC turntableConnection: RCA phono input + groundOutput connection: RCA line outputTarget icon: headphonesOutput: Headphone amplifier connected to headphonesNote: Box X5 does not include a headphone amplifier; connect its line output to a separate headphone amplifier.Technical SpecificationsInputs and outputs Feature Specification MM / MC RCA phono input Included RCA line output Included Turntable grounding terminal Included Audio performance Feature Specification Gain 38 / 48 / 56 / 66 dB Frequency Response 20 Hz–20 kHz (±0.015 dB) THD ≤0.009% SNR ≥92 dB Operational Amplifier OPA1612 Physical and power Feature Specification Dimensions 4.1 × 6.5 × 1.4 in Power Supply 16 V / 1 A
$109.90
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Fosi Audio Fosi Audio GR40
DescriptionFosi 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
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Fosi Audio Fosi Audio MC331
DescriptionFosi 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
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Fosi Audio Fosi Audio Q6
DescriptionFosi 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
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Fosi Audio Fosi Audio BT20A Pro
DescriptionFosi 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
$99.90 - $119.90
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Fosi Audio Fosi Audio BT20A
DescriptionFosi 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
$79.90
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Questyle Questyle M15C
DescriptionQuestyle 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 $89.00
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Aiffro Aiffro P10
DescriptionAiffro P10 is a magnetic USB-C NVMe portable SSD for fast transfers and mobile recording. Its USB 3.2 Gen 2x2 interface reaches up to 2000MB/s reads and 1800MB/s writes on compatible 20Gbps hosts.Why it stands out20Gbps-class interfaceUSB 3.2 Gen 2x2 enables much faster transfers than P08 when the host supports the full link.Magnetic mobile mountingThe 59mm-square body attaches securely to compatible phones while recording or transferring files.Aluminium heat dissipationThe metal enclosure helps spread heat during large transfers and sustained recording.Up to 4TB choicesThis listing covers 1TB, 2TB and 4TB capacities for larger creative libraries.Best for Large photo and video transfers USB-C phones, tablets and computers Mobile creators needing 1–4TB Computers with USB 3.2 Gen 2x2 Not ideal for Lightning iPhones Buyers expecting 2000MB/s from a 10Gbps host Wireless storage workflows Users needing charging or microphone passthrough Product Details and Connection ViewsEMiUZEK Buying Notes A 2000MB/s result requires a USB 3.2 Gen 2x2 20Gbps host; many Macs and phones negotiate a lower speed. The magnetic mount does not provide data or power; connect the USB-C cable. For Lightning models choose P10 Plus; for simultaneous PD and microphone use choose P30. Frequently asked questionsWill it reach 2000MB/s on every device?No. The host must support USB 3.2 Gen 2x2 and the workload must sustain that rate.Can it record directly from iPhone?Compatible USB-C iPhone Pro models can use external storage in supported recording modes.Does it work with Lightning?No. P10 is USB-C only.What are the rated speeds?Aiffro specifies up to 2000MB/s sequential read and 1800MB/s sequential write.Does it need separate power?No. It is bus-powered through USB-C.Is the SSD replaceable?No. P10 is a complete portable SSD, not an empty enclosure.HOW TO CONNECTHigh-speed computer storageSource: 20Gbps-capable computerConnection: USB-C data cableOutput connection: Fast file transfer and editingUSB-C iPhone recordingSource: Compatible iPhone ProConnection: Short USB-C data cableOutput connection: Record supported video to P10USB-C tablet or AndroidSource: Compatible mobile deviceConnection: USB-C data cableOutput connection: External files and media storageTechnical Specifications Feature Specification Interface USB 3.2 Gen 2x2, USB-C Capacity 1TB / 2TB / 4TB Sequential read Up to 2000MB/s Sequential write Up to 1800MB/s Dimensions 59 × 59 × 6.5 mm Material Aluminium Power consumption 1–3W Operating temperature 0–48°C Systems Windows, macOS, Android and Linux Additional Product ContentComparison: Aiffro P10 vs Aiffro P08 vs Aiffro P30 Decision point Aiffro P10 Aiffro P08 Aiffro P30 Product position High-speed magnetic portable SSD Alternative workflow Alternative workflow Best reason to choose 20Gbps-class interface Choose for a different interface or budget Choose for a different capacity or feature set Before buying A 2000MB/s result requires a USB 3.2 Gen 2x2 20Gbps host; many Macs and phones negotiate a lower speed. Confirm host and connector support Confirm capacity and accessories
$139.00 - $339.00
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Aiffro Aiffro P10 Plus
DescriptionAiffro P10 Plus is a 512GB magnetic portable SSD designed to bridge Lightning and USB-C iPhones. Separate included cables let users expand storage and back up files across older Lightning models and newer USB-C devices.Why it stands outLightning and USB-C workflowsDedicated cables support both older Lightning iPhones and modern USB-C devices.Magnetic phone mountingThe SSD attaches to compatible magnetic phone backs or cases for portable use.One-drive migration pathMove files between older and newer iPhone generations without buying separate drives.Purpose-built 512GB capacityA fixed 512GB configuration keeps the buying choice focused on enclosure color.Best for Lightning iPhones running supported iOS Households mixing Lightning and USB-C devices Phone photo and file backup Users upgrading between iPhone generations Not ideal for Buyers seeking 1TB or larger 20Gbps desktop transfer speeds Simultaneous charging and microphone input Wireless backups Product Details and Connection ViewsEMiUZEK Buying Notes Lightning performance is limited by the Lightning interface and is not comparable with P10 USB 3.2 Gen 2x2 speeds. Check that the iPhone runs iOS 13 or later and use the included cable for the selected connector. Magnetic attachment may require a MagSafe-compatible phone or case. Frequently asked questionsDoes it work with older iPhones?Yes. Aiffro positions P10 Plus for Lightning iPhones using iOS 13 or later.Does it also support USB-C?Yes. A separate USB-C data cable is included.Can it record ProRes on Lightning iPhones?Treat Lightning primarily as file storage and backup; direct ProRes recording depends on the phone and recording interface.What capacity is offered?This listing is 512GB.Does the magnet transfer data?No. Use the appropriate Lightning or USB-C cable.Can it charge the phone at the same time?No dedicated PD passthrough is specified; choose P30 for simultaneous charging workflows.HOW TO CONNECTLightning iPhone backupSource: iPhone with Lightning, iOS 13+Connection: Included Lightning data cableOutput connection: Manage supported files with the appropriate appUSB-C iPhone or tabletSource: Compatible USB-C deviceConnection: Included USB-C data cableOutput connection: External storage and file transferComputer transferSource: Mac or Windows computerConnection: USB-C data cableOutput connection: Back up and organize drive contentsTechnical Specifications Feature Specification Product type Magnetic portable SSD Capacity 512GB Device connections Lightning and USB-C via dedicated cables Phone requirement Lightning iPhone with iOS 13+ or compatible USB-C device Mounting Magnetic attachment Available colors White / Black Additional Product ContentComparison: Aiffro P10 Plus vs Aiffro P08 vs Aiffro P30 Decision point Aiffro P10 Plus Aiffro P08 Aiffro P30 Product position Lightning and USB-C magnetic SSD Alternative workflow Alternative workflow Best reason to choose Lightning and USB-C workflows Choose for a different interface or budget Choose for a different capacity or feature set Before buying Lightning performance is limited by the Lightning interface and is not comparable with P10 USB 3.2 Gen 2x2 speeds. Confirm host and connector support Confirm capacity and accessories
$109.00 $99.00
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Aiffro Aiffro P30
DescriptionAiffro P30 combines a USB-C portable SSD, up-to-30W PD input and USB-C microphone input in a 19g mobile creator hub. It is designed to record supported video externally while powering a phone and accepting a compatible USB-C microphone.Why it stands outThree functions in one deviceStorage, PD power input and USB-C microphone input reduce the need for a separate hub.Up to 1000MB/sThe USB 3.2 Gen 2 storage path supports fast transfers and compatible 4K recording.30W PD inputConnect a suitable charger to supply up to 30W through the mobile recording setup.19g compact bodyThe 48 × 29 × 8mm aluminium device stays manageable on handheld rigs.Best for Mobile video rigs ProRes recording on compatible USB-C iPhones Creators using a USB-C microphone Long sessions needing power input Not ideal for Lightning iPhones 3.5mm analog microphones Buyers needing 2000MB/s MagSafe attachment without an accessory Product Details and Connection ViewsEMiUZEK Buying Notes MIC-IN is for compatible USB-C microphones, not a 3.5mm analog microphone. PD-IN accepts up to 30W, but actual phone charging depends on the charger, cable, phone and workload. P30 is USB-C only and direct ProRes recording requires a supported iPhone Pro model and settings. Frequently asked questionsCan it record, charge and use a microphone together?That is the intended 3-in-1 workflow with compatible USB-C equipment.What microphone connector does it use?MIC-IN is USB-C.How much PD power is supported?Aiffro specifies PD input up to 30W.What is the maximum storage speed?Sequential read/write is specified up to 1000MB/s.Does it work with Lightning iPhones?No. P30 is intended for USB-C devices.Which capacities are available?1TB and 2TB.Is a charger included?The confirmed package list does not include a PD charger.HOW TO CONNECTFull mobile creator rigSource: USB-C phoneConnection: P30 device connection; PD charger to PD-IN; USB-C microphone to MIC-INOutput connection: Record supported video directly to P30Storage-only recordingSource: Compatible USB-C phoneConnection: P30 connected directlyOutput connection: Record or transfer without charger and microphoneComputer storageSource: Mac, Windows or Linux computerConnection: USB-C connectionOutput connection: Copy and manage filesTechnical Specifications Feature Specification Interface USB 3.2 Gen 2 output; USB-C PD-IN; USB-C MIC-IN Capacity 1TB / 2TB Sequential read/write Up to 1000MB/s PD input Up to 30W Dimensions 48 × 29 × 8 mm Weight 19 g Material Aluminium alloy Operating temperature 0–48°C Systems Windows, Linux, macOS, Android, iOS and iPadOS Additional Product ContentComparison: Aiffro P30 vs Aiffro P20 vs Aiffro P10 Decision point Aiffro P30 Aiffro P20 Aiffro P10 Product position 3-in-1 creator SSD Alternative workflow Alternative workflow Best reason to choose Three functions in one device Choose for a different interface or budget Choose for a different capacity or feature set Before buying MIC-IN is for compatible USB-C microphones, not a 3.5mm analog microphone. Confirm host and connector support Confirm capacity and accessories
$159.00 - $259.00
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