Produtos – EMiUZEK

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Fosi Audio Fosi Audio MC101

Fosi 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

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$58.86 - $99.90

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Fosi Audio Fosi Audio MC331

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

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$129.90 - $143.77

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Fosi Audio Fosi Audio MC351

Fosi Audio MC351 is a compact 2.1-channel integrated digital amplifier for passive stereo speakers and a passive subwoofer.Dual TI TPA3255 amplifier chips, broad digital and analog inputs and up to 165W × 2 + 350W at 4Ω make it a practical control center for powerful 2.1 systems.Why it stands outDedicated 2.1 amplificationSeparate stereo and passive-subwoofer amplification builds a complete 2.1 system without a second power amp.Dual TPA3255 architectureTwo TI TPA3255 amplifier chips provide high output for speakers and a passive subwoofer.Broad source compatibilityBluetooth 5.3, USB, optical, coaxial and RCA inputs cover common music, computer and TV sources.System expansion through pre-outThe pre-out connection supports a powered subwoofer or compatible downstream equipment.Best for Passive bookshelf or floorstanding speaker systems 2.1 systems using a passive subwoofer TV and desktop systems using optical, coaxial or USB audio Users who need both wireless and wired source inputs Not ideal for Users needing HDMI ARC or TV-remote CEC control Headphone-only systems Turntables without a built-in or external phono preamp EMiUZEK Buying Notes MC351 directly powers passive speakers and a passive subwoofer; these are different from line-level active speakers. USB is an audio-data input, not a power input. RCA is line level and does not replace a phono preamp for a standard turntable. Frequently asked questionsCan MC351 drive passive speakers?Yes. It is designed for 4–8Ω passive speakers.Can it power a passive subwoofer?Yes. It has a dedicated amplified passive-subwoofer output.Can I connect a powered subwoofer?Yes. Use the line-level pre-out with a compatible powered subwoofer.Does it support HDMI ARC?No. Use optical, coaxial or RCA audio from a television.What does the USB port do?It receives USB digital audio from a compatible computer or source; it does not power the amplifier.Can I connect a turntable?Only if the turntable has a built-in phono preamp or you add an external phono preamp.HOW TO CONNECT2.1 passive speaker systemSource: Computer, streamer or TVConnection: USB, optical, coaxial, RCA or BluetoothOutput: Speaker terminals + passive-subwoofer outputTarget: Passive speakers + passive subwooferNote: Match speaker impedance and begin with low volume.Stereo speaker systemSource: Any supported digital or analog sourceConnection: Chosen inputOutput: Left/right speaker terminalsTarget: 4–8Ω passive speakersNote: Leave the passive-subwoofer output unused for a 2.0 system.System with powered subwooferSource: Any supported sourceConnection: Chosen inputOutput: Speaker terminals + pre-outTarget: Passive speakers + powered subwooferNote: Set crossover and level on the powered subwoofer.Technical SpecificationsCore specifications Feature Specification Product type 2.1-channel integrated digital amplifier Amplifier chips TI TPA3255 × 2 Maximum output 165W × 2 + 350W at 4Ω Speaker impedance 4–8Ω THD ≤0.03% SNR / Dynamic range ≥100dB / ≥100dB Power input range DC 24–48V Inputs and outputs Feature Specification Inputs Bluetooth 5.3, USB, optical, coaxial, RCA Outputs Passive speakers, passive subwoofer, pre-out USB sampling Up to 24-bit / 96kHz Optical / coaxial sampling Up to 32-bit / 192kHz Frequency response 20Hz–20kHz (±0.5dB) Subwoofer output range 20Hz–250Hz Recommended System Setup Setup Connection 2.1 passive system Source → MC351 → Passive speakers + passive subwoofer TV system TV optical output → MC351 → Passive speakers Powered sub expansion Source → MC351 → Passive speakers + pre-out → Powered subwoofer Additional Product ContentFosi Audio product comparisonCompare the two compact Fosi Audio integrated amplifiers by their power, output structure and intended system layout. Feature MC351 MC331 Product position High-power 2.1 digital integrated amplifier Tube DAC / integrated stereo amplifier Built-in speaker amplifier Yes Yes Maximum output 165W × 2 + 350W at 4Ω 105W × 2 at 4Ω Main inputs Bluetooth 5.3, USB, optical, coaxial, RCA Bluetooth, USB, optical, coaxial, RCA Speaker output Stereo passive speakers Stereo passive speakers Passive subwoofer output Yes, dedicated amplified output No Line-level pre-out Yes Yes Headphone output No Yes, 3.5mm Tube stage No Yes, replaceable tubes Best use Powerful passive-speaker 2.1 system Compact tube stereo and headphone system

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$169.90

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Fosi Audio Fosi Audio Music Rhythm Visualizer Light

Fosi Audio Music Rhythm Visualizer Light is a USB-C powered ambient LED display that reacts to nearby music through its built-in microphone.Its 32 RGB LEDs, adjustable effects and compact aluminum housing add synchronized visual movement to a desktop, gaming or HiFi setup without entering the audio signal path.Why it stands outReal-time music responseA built-in microphone converts nearby rhythm and level changes into synchronized LED movement.32 RGB LED displayMultiple colors and dynamic effects create a more expressive visual response than a static ambient light.Adjustable presentationOn-device controls allow quick changes to mode, color and sensitivity.Simple USB-C powerThe compact aluminum light can be powered from a suitable USB source without connecting to audio equipment.Best for Desktop HiFi systems Gaming and computer setups Listening-room ambient lighting Users wanting sound-reactive visuals without changing the audio chain Not ideal for Users needing an audio spectrum measurement instrument Outdoor or wet-location lighting Users expecting the light to transmit or process audio EMiUZEK Buying Notes The visualizer reacts through a microphone and does not need an audio input cable. USB-C supplies power only; the light is not a DAC, amplifier or music source. Performance depends on room volume, distance and sensitivity setting. Frequently asked questionsDoes it connect to the audio output?No. It listens through its built-in microphone and does not enter the audio signal path.What does USB-C do?USB-C supplies power to the visualizer.Can I adjust the lighting?Yes. Use the controls to change the mode, color and sensitivity.Will it work with speakers and headphones?It responds best to audible room sound. Headphone-only playback may not provide enough sound for the microphone.Does it improve sound quality?No. It is a visual accessory and does not process audio.Is it a professional spectrum analyzer?No. It is an entertainment light designed for responsive visual effects.HOW TO CONNECTDesktop audio setupSource: Computer or streamer playing through speakersConnection: USB-C power; sound detected by microphoneOutput: RGB light displayTarget: Visualizer placed near the speakersNote: Adjust sensitivity to suit the listening level.HiFi listening roomSource: Amplifier and speaker systemConnection: USB-C power; ambient sound detectionOutput: RGB light displayTarget: Visualizer on a shelf or equipment rackNote: Keep the microphone unobstructed.Gaming setupSource: PC or console with speakersConnection: USB-C power; ambient sound detectionOutput: RGB light displayTarget: Visualizer near the display or speakersNote: Choose a lower sensitivity if effects remain constantly active.Technical SpecificationsCore specifications Feature Specification Product type Sound-reactive ambient LED visualizer LED array 32 RGB LEDs Sound detection Built-in microphone Processing 32-bit ARM processor with automatic gain control Housing Aluminum alloy Controls and power Feature Specification Power input USB-C Adjustments Display mode, color, speed and sensitivity Audio connection Not required Recommended System Setup Setup Connection Desktop system USB power → Visualizer placed near speakers Gaming system USB power → Visualizer beside display HiFi system USB power → Visualizer on equipment rack

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$59.00

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Fosi Audio Fosi Audio P3

Fosi 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

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$79.90

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Fosi Audio Fosi Audio P4

Fosi Audio P4 is a compact solid-state stereo preamplifier that brings three RCA sources under one volume and tone-control stage.Its motorized analog volume control, remote operation, three-level gain, tone bypass and separate pre-out make it a practical partner for power amplifiers and powered subwoofers.Why it stands outThree-source analog hubThree RCA inputs allow convenient switching among a DAC, streamer, CD player or other line-level source.Motorized analog volume controlThe remote-driven analog potentiometer provides smooth level adjustment without replacing the analog signal path with digital volume control.Flexible tone and gain adjustmentBass, treble, bypass and three gain levels help match different source levels and listening preferences.Low-noise preamplifier performanceHigh SNR and low THD+N support clean system control in a compact all-metal chassis.Best for Systems with multiple line-level analog sources Power amplifiers needing source selection and remote volume Powered speaker systems 2.1 systems using the volume-controlled pre-out Not ideal for Driving passive speakers directly Turntables without a built-in or external phono preamp Users needing Bluetooth or digital audio inputs EMiUZEK Buying Notes P4 is a preamplifier and cannot directly power passive speakers. All three inputs are line-level RCA; a standard turntable requires a phono preamp. Pre-out is volume controlled and suitable for compatible powered subwoofers or powered speakers. Frequently asked questionsCan P4 drive passive speakers?No. Connect its RCA output to a power amplifier that drives the passive speakers.Does P4 include Bluetooth?No. It is an analog RCA preamplifier.Can I connect a turntable?Only if the turntable has a built-in phono stage or you use an external phono preamp.What is pre-out for?It provides a volume-controlled line-level output for compatible powered speakers, a powered subwoofer or downstream equipment.Can tone controls be bypassed?Yes. The bypass function provides a more direct signal path when tone adjustment is not needed.What does the gain setting do?The three gain levels help match differing source output levels and system sensitivity.HOW TO CONNECTPower amplifier systemSource: DAC, streamer, CD player or phono preampConnection: RCA inputOutput: RCA outputTarget: Power amplifier → passive speakersNote: Select the source and use P4 for volume control.Powered speaker systemSource: Up to three line-level sourcesConnection: RCA inputOutput: Pre-out or RCA outputTarget: Powered speakersNote: Begin with conservative volume settings on both devices.2.1 systemSource: Line-level sourceConnection: RCA inputOutput: RCA output + pre-outTarget: Power amplifier and powered subwooferNote: Use pre-out for the powered subwoofer and confirm crossover settings.Technical SpecificationsAudio performance Feature Specification Product type 2.0-channel solid-state preamplifier SNR ≥110dB Dynamic range ≥110dB THD+N ≤0.003% Crosstalk ≥105dB Noise floor ≤9μV Frequency response 20Hz–20kHz (±0.1dB) Tone adjustment ±12dB Connectivity and power Feature Specification Inputs RCA × 3 Outputs RCA, pre-out Gain adjustment +3dB / +6dB / +9dB Volume control Motorized analog potentiometer with remote Power supply DC 12V / 1.5A Recommended System Setup Setup Connection Stereo separates Sources → P4 → Power amplifier → Passive speakers Powered speakers Sources → P4 → Powered speakers 2.1 separates Sources → P4 → Power amplifier + powered subwoofer Additional Product ContentFosi Audio product comparisonCompare the main Fosi Audio preamplifier choices by source support, outputs and the features that most affect system design. Feature P4 P3 ZP3 Product position Compact analog preamp Tube preamp + headphone amp Balanced high-performance preamp Analog inputs RCA × 3 RCA RCA × 2, XLR Wireless / digital inputs None Bluetooth 5.1 None Main outputs RCA, pre-out RCA, AUX RCA, XLR, sub-out Headphone output No 3.5mm No Speaker amplification No No No Tube stage No Yes, replaceable 5654W No Tone controls Bass and treble with bypass Bass and treble Bass and treble Remote control Yes No Yes THD+N ≤0.003% ≤0.02% ≤0.0007% SNR ≥110dB ≥103dB ≥115dB Best use Three analog sources and powered sub expansion Bluetooth tube preamp and headphones Balanced stereo system integration

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$119.00

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Fosi Audio Fosi Audio PH05

Fosi Audio PH05 is a one-input, five-output headphone distribution amplifier for sharing one stereo source with up to five listeners.Five independently adjustable 310mW channels, master volume and one-touch mute make it useful for group listening, teaching, podcasting and headphone comparison.Why it stands outFive independent headphone channelsEach 3.5mm output has its own level control for different listeners and headphone sensitivities.310mW per channelAll five outputs provide rated power of 310mW at 32Ω for 16–300Ω headphones.Master control and instant muteA large master volume knob and one-touch mute simplify group control.Low-noise distribution designNE5532 amplification, 105dB SNR and 0.001% THD preserve a clean shared signal.Best for Group listening sessions Studio or podcast headphone monitoring Teaching and language labs Comparing several headphones from one source Not ideal for Combining several sources into one output Headsets requiring microphone pass-through Passive speakers or speaker-level amplification EMiUZEK Buying Notes PH05 is one input to five outputs; it cannot work in reverse as a five-input mixer. All outputs are stereo 3.5mm headphone connections and do not carry microphone signals. Set master and channel volumes low before connecting headphones. Frequently asked questionsCan it accept five sources?No. PH05 distributes one stereo input to five headphone outputs.Can each listener set a different volume?Yes. Each output has an independent level control.Does it support headset microphones?No. It carries stereo playback audio only.Can it drive passive speakers?No. It is a headphone amplifier, not a speaker power amplifier.What headphones are supported?Fosi specifies 16–300Ω headphones.Can all five outputs be muted together?Yes. Use the one-touch mute function.HOW TO CONNECTGroup listeningSource: Phone, DAC, mixer or audio interfaceConnection: 3.5mm AUXOutput: Five 3.5mm outputsTarget: Up to five headphonesNote: Start with all channel levels low.Studio monitoringSource: Mixer or audio interfaceConnection: 3.5mm stereo lineOutput: Five headphone outputsTarget: Performers or reviewersNote: Use independent controls for each listener.Headphone comparisonSource: Single DAC or playerConnection: 3.5mm AUXOutput: Selected headphone outputsTarget: Multiple headphonesNote: Level-match carefully before comparing.Technical SpecificationsAudio performance Feature Specification Rated output 310mW × 5 at 32Ω Headphone impedance 16–300Ω SNR / Dynamic range 105dB / 105dB THD 0.001% SINAD / Crosstalk 90dB / 90dB Frequency response 20Hz–20kHz (±0.5dB) Connections and power Feature Specification Input 3.5mm AUX × 1 Outputs 3.5mm headphone × 5 Op-amp TI NE5532 Power DC 12V / 1A Recommended System Setup Setup Connection Group session Source → PH05 → Up to five headphones Studio Audio interface → PH05 → Performers' headphones Comparison DAC → PH05 → Multiple headphones Additional Product ContentFosi Audio product comparisonCompare the models by the differences that most affect system matching and everyday use. Feature PH05 PH04 Product position Five-channel headphone distributor Four-channel headphone distributor Inputs 1 × 3.5mm stereo 1 × 3.5mm stereo Headphone outputs 5 × 3.5mm 4 × 3.5mm Independent volume Five channels Four channels Output power 310mW per channel at 32Ω 40mW at 100Ω Supported impedance 16–300Ω Application dependent Master volume Yes Yes One-touch mute Yes No Microphone support No No Best use Five-listener monitoring Basic four-listener distribution

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$49.90

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Fosi Audio Fosi Audio Q4

Fosi Audio Q4 is a compact desktop DAC and headphone amplifier that converts USB, optical or coaxial digital audio to headphones and RCA analog output.Volume plus bass and treble controls, 24-bit/192kHz S/PDIF decoding and support for 16–200Ω headphones make it a practical entry-level computer or TV audio upgrade.Why it stands outThree digital inputsUSB, optical and coaxial connections support computers, TVs, consoles and digital transports.Headphone and RCA outputsListen through 3.5mm headphones or feed an amplifier and powered speakers through RCA.Direct tone adjustmentFront bass and treble controls allow quick system tuning.Compact plug-and-play controlInput selection and analog volume are integrated into a small desktop chassis.Best for Entry-level computer audio TV optical PCM to headphones or stereo system Desktop headphones and powered speakers Users wanting physical bass and treble controls Not ideal for Dolby or DTS bitstream decoding Balanced headphone systems Headphones above the specified 200Ω range EMiUZEK Buying Notes Set TVs and consoles to two-channel PCM; Q4 does not decode Dolby or DTS. Inserting headphones can mute the RCA output. USB audio reaches 24-bit/96kHz; optical and coaxial reach 24-bit/192kHz. Frequently asked questionsCan Q4 connect to a TV?Yes, through optical or coaxial when the TV is set to PCM stereo.Does it decode Dolby or DTS?No. Use PCM output to avoid noise or silence.Can it drive passive speakers?No. RCA must feed an amplifier, or use powered speakers.Can I use headphones and RCA together?The headphone connection can mute RCA output, so treat them as alternate outputs.Does USB need a driver?It is generally plug-and-play on listed systems; select Fosi Audio Q4 as the playback device.Can I connect an analog source?No. All Q4 inputs are digital.HOW TO CONNECTComputer headphonesSource: PC or MacConnection: USB audioOutput: 3.5mm headphoneTarget: 16–200Ω headphonesNote: Select Q4 as the playback device.TV headphonesSource: TelevisionConnection: Optical PCMOutput: 3.5mm headphoneTarget: Wired headphonesNote: Disable Dolby and DTS output.Stereo systemSource: Computer, TV or transportConnection: USB, optical or coaxialOutput: RCATarget: Amplifier or powered speakersNote: Use Q4 volume and tone controls.Technical SpecificationsAudio performance Feature Specification USB sampling Up to 24-bit / 96kHz Optical / coaxial Up to 24-bit / 192kHz Headphone output 100mW at 32Ω Headphone impedance 16–200Ω THD / SNR ≤0.01% / ≥105dB RCA output level 2.3V Connections and physical Feature Specification Inputs USB, optical, coaxial Outputs 3.5mm headphone, RCA Chipset SA9023 + CS8412 + 97220 + NE5532 Power 5V Dimensions 73.5 × 98 × 33mm Weight 251g Recommended System Setup Setup Connection Computer headphones Computer → USB → Q4 → Headphones TV system TV optical PCM → Q4 → Amplifier Powered speakers Digital source → Q4 RCA → Powered speakers Additional Product ContentFosi Audio product comparisonCompare the models by the differences that most affect system matching and everyday use. Feature Q4 K5 Pro SK02 Product position Entry desktop DAC/amp Gaming DAC/amp Higher-performance desktop DAC/amp USB maximum 24-bit / 96kHz 24-bit / 96kHz 32-bit / 384kHz, DSD256 Other digital inputs Optical, coaxial Optical, coaxial Optical Headphone outputs 3.5mm 3.5mm 3.5mm, 4.4mm Maximum headphone power 100mW at 32Ω 500mW at 32Ω 755mW at 32Ω via 4.4mm Microphone input No Yes No RCA output Yes Yes No Tone controls Bass, treble Bass, treble No Balanced output No No 4.4mm Best use Simple PC/TV audio Gaming with microphone Hi-res desktop headphones

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$45.91 - $69.90

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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

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$85.00 - $105.48

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Fosi Audio Fosi Audio SK01

Fosi Audio SK01 is a battery-powered analog headphone amplifier and preamplifier with 3.5mm line input, dual headphone jacks and adjustable three-band tone control.Up to 2400mW at 32Ω in high gain, pure bypass, loudness and a 2500mAh battery make it flexible for desktop and transportable wired listening.Why it stands outHigh-power analog headphone driveHigh gain delivers up to 2400mW at 32Ω for a broad 16–300Ω headphone range.Three-band tone shapingSeparate treble, midrange and bass controls allow more precise adjustment than basic two-band designs.Pure and loudness modesBypass removes tone processing, while loudness improves perceived bass and treble at low listening levels.Headphone amp and preamp3.5mm line out feeds an amplifier or powered speakers with the same volume and tone control.Best for Powerful wired headphone listening Analog sources needing portable amplification Users wanting three-band tone control Preamp use with powered speakers or a power amplifier Not ideal for USB digital audio or DAC conversion Bluetooth wireless playback Balanced headphone connections EMiUZEK Buying Notes SK01 is analog only; USB-C is for charging and does not carry audio data. It cannot drive passive speakers directly; line out must feed an amplifier. High gain can become very loud—start at minimum volume before wearing headphones. Frequently asked questionsDoes USB-C carry audio?No. USB-C is for 5V charging only.Can it work as a preamp?Yes. Use 3.5mm line out into an amplifier or powered speakers.Can it drive passive speakers?No. A separate power amplifier is required.What headphones are supported?Fosi specifies 16–300Ω.Can tone controls be bypassed?Yes. PURE mode bypasses the tone circuit.How long does the battery last?Fosi states up to about six hours, depending on use and load.HOW TO CONNECTPortable headphonesSource: Phone, DAP or dongle DACConnection: 3.5mm line inOutput: 3.5mm or 6.35mm headphoneTarget: Wired headphonesNote: USB-C is not an audio input.Desktop preampSource: DAC or streamerConnection: 3.5mm line inOutput: 3.5mm line outTarget: Power amplifier or powered speakersNote: SK01 controls level and tone.High-impedance headphonesSource: Line-level DACConnection: 3.5mm line inOutput: 6.35mm headphoneTarget: 16–300Ω headphonesNote: Choose gain carefully and start low.Technical SpecificationsAudio performance Feature Specification High / low gain output 2400mW / 300mW at 32Ω Headphone impedance 16–300Ω SNR 108dB THD ≤0.001% at 1kHz / 770mV Frequency response 20Hz–20kHz (±0.05dB) Noise floor / Crosstalk 20μV / 83dB Connections and power Feature Specification Input 3.5mm line in Outputs 3.5mm line out; 3.5mm and 6.35mm headphones Tone adjustment Treble ±8dB; mid ±10dB; bass ±11dB Battery 2500mAh Charging DC 5V USB-C; power only Recommended System Setup Setup Connection Portable Phone/DAP → SK01 → Headphones Desktop DAC → SK01 → Headphones Preamp Source → SK01 line out → Power amplifier Additional Product ContentFosi Audio product comparisonCompare the models by the differences that most affect system matching and everyday use. Feature SK01 SK02 P3 Product position Analog headphone amp / preamp USB/optical DAC headphone amp Tube preamp / headphone amp Digital DAC No Yes, ES9038Q2M Bluetooth input only Main inputs 3.5mm line USB, optical Bluetooth, RCA Headphone outputs 3.5mm, 6.35mm 3.5mm, 4.4mm 3.5mm Maximum output at 32Ω 2400mW high gain 755mW via 4.4mm 150mW Balanced headphone output No 4.4mm No Tone controls Treble, mid, bass No Bass, treble Battery operation Yes No No Line / pre-out 3.5mm 3.5mm line / optical RCA, AUX Best use Powerful analog portable amp Hi-res desktop DAC/amp Tube Bluetooth preamp

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$25.42 - $79.00

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Fosi Audio Fosi Audio SK02

Fosi 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

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$100.83 - $116.99

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Fosi Audio Fosi Audio SP601

Fosi Audio SP601 is a pair of 6.5-inch passive bookshelf speakers designed for stereo music and home entertainment systems.A silk-dome tweeter, HybridCone composite woofer and 80W RMS power handling provide a balanced upgrade for compact HiFi installations. Why it stands outFour reasons this product deserves a place in a well-planned audio system.Two-Way Driver DesignA 1.5-inch silk-dome tweeter and 6.5-inch composite woofer divide high and low frequencies for clearer stereo reproduction.80W RMS Power HandlingThe pair is rated for 80W RMS and 160W peak power, supporting capable integrated amplifiers without requiring oversized cabinets.Flexible Speaker PlacementFront-facing drivers and tuned bass-reflex construction suit stands, shelves and media-room layouts.Standard Passive IntegrationDual-mode binding posts support common speaker-cable terminations and make the SP601 easy to integrate with a stereo amplifier. Best for Compact stereo music systems Bookshelf or speaker-stand installations TV and home entertainment systems with an external amplifier Listeners upgrading from small entry-level passive speakers Not ideal for Users who need powered speakers with built-in amplification Wireless-only systems without a speaker amplifier Very large rooms requiring high-output floorstanding speakers EMiUZEK Buying Notes SP601 is a passive speaker pair and must be connected to a compatible stereo amplifier. Match the amplifier and listening level to the speakers' 4Ω nominal impedance and 80W RMS rating. Speaker cable is required between the amplifier and each speaker. Frequently Asked QuestionsDo the SP601 speakers include an amplifier?No. They are passive speakers and require an external power or integrated amplifier.What amplifier impedance support is required?Use an amplifier rated to operate safely with 4Ω speakers.Can they connect directly to a television?Only if the television feeds a compatible external amplifier; the speakers cannot accept a TV signal directly.Can I use banana plugs?The dual-mode binding posts are designed for common speaker-cable terminations, including compatible banana plugs.Are they sold as a pair?Yes, the SP601 is supplied as a stereo speaker pair.Do they support Bluetooth or Wi-Fi?Not by themselves. Add a Bluetooth receiver or network streamer through the amplifier if wireless playback is required. HOW TO CONNECTStereo HiFi systemSource: DAC, streamer or CD playerConnection: RCA / digital connection to amplifierOutput: Speaker cableTarget: Stereo amplifier → SP601 pairNote: Observe left/right speaker polarity.TV audio systemSource: TelevisionConnection: HDMI ARC / optical to compatible amplifierOutput: Speaker cableTarget: Amplifier → SP601 pairNote: The amplifier must decode the TV audio signal.Desktop systemSource: Computer / USB DACConnection: Line-level audio to amplifierOutput: Speaker cableTarget: Compact amplifier → SP601 pairNote: Place both speakers at similar height and distance. Technical SpecificationsSpeaker Feature Specification Product Type Two-way passive bookshelf speaker Tweeter 1.5-inch silk dome Woofer 6.5-inch HybridCone composite Nominal Impedance 4Ω Sensitivity 86dB Power Feature Specification RMS Power Handling 80W Peak Power Handling 160W Amplification External amplifier required Connections Feature Specification Speaker Terminals Dual-mode binding posts Wireless Connectivity None Recommended System Setup Setup Connection Stereo music Source → amplifier → SP601 pair TV system TV → AV/stereo amplifier → SP601 pair Desktop HiFi Computer/DAC → compact amplifier → SP601 pair Additional Product ContentNo like-for-like comparison is included because this model has a distinct product role.

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$326.99 - $467.99

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Fosi Audio Fosi Audio T20

Fosi Audio T20 is a compact Bluetooth tube integrated amplifier for passive speakers and wired headphones. It combines 50W x2 Class D speaker power with replaceable vacuum tubes, RCA input and tone controls for a warm, flexible desktop stereo system. Why it stands out Four reasons this product deserves a place in a well-planned audio system. Tube-Buffered Sound Replaceable vacuum tubes add the tube stage and allow compatible tube rolling. Speaker and Headphone Listening The T20 powers passive speakers and also provides a front 3.5mm headphone output. Bluetooth and RCA Inputs Switch between convenient wireless playback and a conventional analog source. Compact Tone Control Independent 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 Questions Can 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 CONNECT Bluetooth speaker system Source: Phone / tabletConnection: BluetoothOutput: Speaker terminalsTarget: Passive speakersNote: Pair the source and set volume low before playback. Wired stereo system Source: DAC / streamer / CD playerConnection: RCA line inputOutput: Speaker terminalsTarget: Passive speakersNote: Use a fixed or controlled line-level source. Headphone listening Source: Phone via Bluetooth or RCA sourceConnection: Bluetooth / RCAOutput: 3.5mm headphone outputTarget: Wired headphonesNote: Lower volume before inserting headphones. Technical Specifications Amplifier Feature Specification Product Type Bluetooth tube integrated amplifier Amplifier Chip TI TPA3116 Maximum Speaker Output 50W x2 at 4Ω Speaker Impedance 4–8Ω Connectivity Feature Specification Inputs Bluetooth 5.0; RCA line input Outputs Passive speaker terminals; 3.5mm headphone Tone Controls Bass and treble Audio Feature Specification Vacuum Tubes Replaceable 6K4 pair Frequency Response 20Hz–20kHz (±1.5dB) THD ≤0.04% SNR ≥99dB Recommended System Setup Setup Connection Wireless stereo Phone → Bluetooth → T20 → passive speakers Wired stereo Streamer/DAC → RCA → T20 → passive speakers Headphones Source → T20 → 3.5mm headphones Additional Product Content Feature T20 T20X P3 Product Position 50W x2 tube integrated amp 100W x2 tube integrated amp Tube preamp / headphone amp Passive Speaker Amplifier Yes Yes No Inputs Bluetooth 5.0, RCA Bluetooth, AUX Bluetooth, RCA Speaker Output 50W x2 max at 4Ω 100W x2 max at 4Ω None Headphone Output 3.5mm 3.5mm 3.5mm Tone Controls Bass, treble Bass, treble Bass, treble Tube Rolling Compatible tubes Compatible tubes Compatible tubes Best Use Compact speaker/headphone system Higher-power speaker system Add tube preamp/headphone stage

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$89.90 - $99.37

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Fosi Audio Fosi Audio T20X

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

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$75.06 - $99.90

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Fosi Audio Fosi Audio TB10D

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

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$79.90

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Fosi Audio Fosi Audio V3

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

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$109.00 - $279.00

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Fosi Audio Fosi Audio ZA3

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

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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

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$179.90

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Fosi Audio Fosi Audio ZH3

Fosi Audio ZH3 is an all-in-one desktop DAC, balanced headphone amplifier and preamplifier for headphones, active speakers and external amplifiers.Its AK4493SEQ DAC, powerful 4.4mm balanced output, multiple digital/analog inputs and XLR/RCA pre-outs create a complete desktop HiFi control center.Why it stands outFour reasons this product deserves a place in a well-planned audio system.All-in-One Desktop HubDAC, headphone amplification and preamp functions reduce the need for several separate components.2570mW Balanced Headphone OutputThe 4.4mm output provides substantial power at 32Ω, while three gain levels support a broad range of headphones.High-Resolution AKM PlatformXMOS XU316 and AK4493SEQ support PCM 32-bit/768kHz and DSD512 playback.Flexible System ControlRCA/XLR line outputs, remote control, tone adjustment, six filters and swappable op-amps support system customization.Best for Desktop headphone systems Balanced 4.4mm headphone listening Active studio monitors and powered speakers External power amplifiers requiring preamp control Computer and game-console USB audio Not ideal for Users needing built-in passive-speaker amplification Wireless Bluetooth-only systems TV systems requiring HDMI ARC Portable or battery-powered listening EMiUZEK Buying Notes ZH3 can drive headphones and control active speakers or a power amplifier, but it cannot directly drive passive speakers. Its USB input supports UAC 1.0 and 2.0 modes; choose the compatible mode for computers or game consoles. RCA is an analog input, while RCA and XLR line outputs are intended for downstream active speakers or amplifiers. Frequently Asked QuestionsCan the ZH3 drive passive speakers?No. Use its line outputs with a separate power amplifier, or connect active speakers.Which headphone outputs are included?It provides 4.4mm balanced and 6.35mm single-ended headphone outputs.Does it support Bluetooth?No Bluetooth input is specified. Use USB, optical, coaxial or analog RCA input.Can I connect a game console?Yes. UAC 1.0/2.0 switching supports compatible game-console USB audio configurations.Can it connect to active speakers?Yes. Use RCA or balanced XLR line output and control volume through the ZH3 preamp.Can it accept an analog source?Yes, through RCA analog input.What headphones can it support?The three-level gain system is specified for approximately 16–300Ω headphones; start with low gain and low volume.HOW TO CONNECTComputer headphone systemSource: PC / MacConnection: USBOutput: 4.4mm or 6.35mmTarget: Wired headphonesNote: Choose UAC mode and gain appropriate for the source and headphones.Active speaker systemSource: Computer / digital transport / analog sourceConnection: USB, optical, coaxial or RCAOutput: XLR or RCA line outputTarget: Active speakersNote: Use preamp volume control and begin at a low level.External amplifier systemSource: Digital or analog sourceConnection: USB, optical, coaxial or RCAOutput: XLR or RCA line outputTarget: Power amplifier → passive speakersNote: ZH3 supplies the DAC and preamp stages only.Technical SpecificationsCore Architecture Feature Specification Product Type DAC / balanced headphone amplifier / preamplifier DAC AKM AK4493SEQ USB Interface XMOS XU316 Headphone Amplifiers OPA1612 x4 Maximum Resolution PCM 32-bit/768kHz; DSD512 Inputs and Outputs Feature Specification Inputs USB, optical, coaxial, RCA analog Headphone Outputs 4.4mm balanced; 6.35mm single-ended Line Outputs Balanced XLR; RCA USB Modes UAC 1.0 / UAC 2.0 Trigger 12V trigger connection Headphone Performance Feature Specification 4.4mm Output at 32Ω 2570mW x2 6.35mm Output at 32Ω 640mW x2 Gain Three levels Headphone Impedance Range 16–300Ω Audio Performance Feature Specification SINAD ≥115dB SNR ≥121dB THD+N ≤0.00018% Noise Floor ≤1.9μV Sound Adjustment Bass/treble EQ; six filters; bypass Power Supply DC 12V Recommended System Setup Setup Connection Headphones Computer → USB → ZH3 → 4.4mm/6.35mm headphones Active speakers Source → ZH3 → XLR/RCA active speakers Passive speakers Source → ZH3 → power amplifier → passive speakers Additional Product Content Feature ZH3 ZD3 GR40 Product Position DAC / headphone amp / preamp Balanced DAC / preamp Tube DAC / headphone amp DAC Chip AK4493SEQ ES9039Q2M Not specified USB Maximum PCM 768kHz / DSD512 PCM 768kHz / DSD512 Lower-tier desktop decoding HDMI ARC No Yes No Bluetooth No Yes Yes Analog RCA Input Yes No No Headphone Outputs 4.4mm, 6.35mm None 3.5mm Balanced XLR Output Yes Yes No Headphone Power at 32Ω 2570mW x2 balanced Not applicable 250mW Best Use Complete headphone/desktop hub TV and amplifier DAC hub Compact tube headphone system

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$233.99

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Gustard Gustard H26

The Gustard H26 is a fully-balanced discrete Class-A headphone amplifier and preamplifier designed for high-end headphone and speaker systems. With dual gain modes, balanced and single-ended headphone outputs, and XLR/RCA preamp outputs, the H26 delivers clean, powerful amplification with exceptional linearity. Why it stands out Fully-Balanced Discrete Class-A Design The H26 uses a fully-balanced discrete Class-A amplification circuit with hand-selected components, delivering the natural warmth and smoothness that Class-A operation is prized for, with exceptional linearity and low distortion across the entire frequency range. High Power Output Delivers up to 6W into 32Ω, 1576mW into 300Ω and 788mW into 600Ω, providing ample power for even the most demanding high-impedance headphones. Two selectable gain modes accommodate both sensitive IEMs and power-hungry full-size headphones. Comprehensive Inputs & Outputs RCA single-ended and XLR balanced inputs with selectable input sensitivity. Headphone outputs include 4-pin XLR balanced, 4.4mm balanced and 6.35mm single-ended. Preamp outputs (XLR and RCA, 100Ω output impedance) allow direct connection to power amplifiers or active speakers. Premium Build & Remote Control Solid aluminum chassis with premium components throughout. Frequency response extends to 80kHz (±0.1dB), SNR >123dB and channel crosstalk -123dB. Includes remote control for volume, input selection and gain switching. Best for High-end headphone systems, especially high-impedance full-size headphones Listeners who want both headphone amp and preamp functionality Systems with balanced XLR sources and headphones Listeners who prefer Class-A amplification character Not ideal for Portable use — this is a full-size desktop unit requiring AC power Systems needing built-in DAC (pair with a separate DAC) Budget-conscious buyers Specifications Amplification Fully-balanced discrete Class-A Output Power (Balanced) 6W @ 32Ω, 1576mW @ 300Ω, 788mW @ 600Ω Gain Modes Two selectable gain levels Headphone Outputs 4-pin XLR balanced, 4.4mm balanced, 6.35mm single-ended Inputs RCA single-ended (2-3Vrms, 4kΩ), XLR balanced (4-6Vrms, 8kΩ) Preamp Outputs XLR balanced & RCA single-ended (100Ω output impedance) Frequency Response 20Hz-80kHz / ±0.1dB SNR >123dB Channel Crosstalk -123dB @ 1kHz THD+N <0.0002% IMD <0.0003% Power AC 115V/230V 50/60Hz, ~30W Dimensions W330 × D260 × H65mm Weight 7kg (packaged) FAQ Q: Does the H26 have a built-in DAC?A: No, the H26 is a pure headphone amplifier and preamplifier. Pair it with a dedicated DAC such as the Gustard R26II or X26III. Q: Can the H26 drive sensitive IEMs?A: Yes, the low gain mode and low output impedance make the H26 suitable for sensitive IEMs as well as full-size headphones. Q: Can I use the H26 as a preamp for my power amplifier?A: Yes, the H26 features XLR and RCA preamp outputs with 100Ω output impedance, suitable for direct connection to power amplifiers or active speakers.

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$1,112.10

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Gustard Gustard R26

The Gustard R26 is a high-performance fully-discrete R2R DAC with built-in network streaming and Bluetooth, featuring USB, I²S, AES/EBU, coaxial and optical digital inputs with balanced XLR and single-ended RCA outputs. It delivers natural, musical R2R decoding in a compact desktop form factor with comprehensive connectivity. Why it stands out Fully Discrete R2R Architecture The R26 uses a fully-discrete R2R resistor ladder network with hand-matched 0.01% precision resistors, delivering the natural, non-oversampling sound that R2R DACs are prized for — with exceptional midrange clarity, smooth treble and natural bass response. Built-In Network Streaming & Bluetooth Integrated network streamer supports Roon Ready, AirPlay, DLNA and UPnP for wired network playback. Bluetooth 5.0 connectivity provides convenient wireless streaming from mobile devices with high-quality audio codecs. High-Resolution Support Supports PCM up to 32-bit/768kHz and native DSD up to DSD512 (DSD256 DoP) via USB, I²S and LAN inputs. AES/EBU, coaxial and optical inputs support PCM up to 24-bit/192kHz and DSD64 DoP. MQA decoding is supported for streaming services. Comprehensive Connectivity USB-C and USB-B inputs, I²S (HDMI), AES/EBU, coaxial and optical digital inputs cover every source. Balanced XLR (5.0Vrms) and single-ended RCA (2.5Vrms) analog outputs connect to any amplifier or preamp. 10MHz external clock input allows synchronization with high-end clock sources. Best for Mid-range two-channel systems seeking R2R DAC character Listeners who want both wired network and Bluetooth wireless streaming Desktop or compact audio systems Systems with balanced XLR or single-ended RCA amplification Not ideal for Systems requiring built-in headphone amplification Listeners who prefer the analytical character of ESS/AKM DAC chips Flagship-level systems that may benefit from the R26II or R30 Specifications Architecture Fully discrete R2R ladder PCM Up to 32-bit/768kHz (USB/I²S/LAN), 24-bit/192kHz (AES/Coax/Opt) DSD Up to DSD512 native (USB/I²S/LAN), DSD64 DoP (AES/Coax/Opt) MQA Supported (full decoder) Bluetooth 5.0 Digital Inputs USB-C, USB-B, I²S (HDMI), AES/EBU, Coaxial, Optical, LAN, Bluetooth Clock Input 10MHz BNC Analog Outputs Balanced XLR (5.0Vrms), Single-ended RCA (2.5Vrms) Frequency Response 20Hz-20kHz / ±0.2dB Streaming Roon Ready, AirPlay, DLNA, UPnP Power AC 115V/230V 50/60Hz, <60W Dimensions W330 × D260 × H65mm Weight 7kg (packaged) FAQ Q: What is the difference between R26 and R26II?A: The R26II is an upgraded version featuring the GUSTARD-GCLK-02 clock module, improved digital filtering, Bluetooth 5.1 LDAC and enhanced overall performance. The original R26 remains an excellent R2R DAC with MQA support and comprehensive connectivity. Q: Does the R26 support MQA?A: Yes, the R26 features full MQA decoding for compatible streaming services such as Tidal. Q: Can I use an external word clock with the R26?A: Yes, the R26 has a 10MHz BNC clock input for synchronization with external high-end clock sources.

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$1,558.43

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Gustard Gustard R26II

The Gustard R26II is a 26-bit fully-discrete R2R network streaming DAC with Bluetooth 5.1 LDAC, building on the acclaimed R26 platform with upgraded clock management, improved digital filtering and enhanced connectivity. It delivers natural, musical R2R decoding in a compact desktop form factor. Why it stands out 26-Bit Fully Discrete R2R Architecture The R26II uses a fully-discrete 26-bit R2R resistor ladder network with hand-matched components, delivering the natural, non-oversampling sound that R2R DACs are prized for — with exceptional midrange clarity and smooth treble. GUSTARD-GCLK-02 Clock Module The integrated GUSTARD-GCLK-02 synthesizer clock achieves ultra-low jitter performance at the femtosecond level, while preserving near-end performance of the reference clock. The high-precision divider ensures accurate frequency synthesis across all sample rates. Bluetooth 5.1 LDAC & Network Streaming Built-in Bluetooth 5.1 with LDAC support delivers high-quality wireless audio from compatible devices. The integrated network streamer supports Roon Ready, AirPlay, DLNA and UPnP for wired network playback. Comprehensive Connectivity USB-B, I²S (HDMI), AES/EBU, coaxial and optical digital inputs cover every source. Balanced XLR (5.0Vrms) and single-ended RCA (2.5Vrms) analog outputs connect to any amplifier or preamp. Includes remote control. Best for Mid-range two-channel systems seeking R2R DAC character Listeners who want both wired and Bluetooth wireless connectivity Network streaming setups with Roon or AirPlay Desktop or compact audio systems Not ideal for Systems requiring built-in headphone amplification Listeners who prefer the analytical character of ESS/AKM DAC chips Flagship-level systems that may benefit from the R30 Specifications Architecture 26-bit fully discrete R2R ladder Clock GUSTARD-GCLK-02 synthesizer clock module PCM Up to 32-bit/768kHz (USB/I²S/LAN) DSD Up to DSD512 (native), DSD256 (DoP) Bluetooth 5.1 with LDAC Digital Inputs USB-B, I²S (HDMI), AES/EBU, Coaxial, Optical, LAN, Bluetooth Analog Outputs Balanced XLR (5.0Vrms), Single-ended RCA (2.5Vrms) Frequency Response 20Hz-20kHz / ±0.2dB Streaming Roon Ready, AirPlay, DLNA, UPnP Power AC 115V/230V 50/60Hz, <20W Dimensions W330 × D260 × H65mm (including feet: 75mm) Weight 7.3kg (packaged) FAQ Q: What is the difference between R26 and R26II?A: The R26II features the upgraded GUSTARD-GCLK-02 clock module, improved digital filtering, Bluetooth 5.1 LDAC and enhanced overall performance compared to the original R26. Q: Does the R26II come with a remote control?A: Yes, the R26II includes a remote control for input selection, volume and filter settings. Q: Can I use the R26II as a preamp?A: The R26II has fixed-level outputs. For volume control, use your amplifier or preamp.

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$1,566.55

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Gustard Gustard R30

The Gustard R30 is a flagship fully-discrete R2R network streaming DAC built around 27-bit resistor ladder architecture with an integrated OCXO oven-controlled crystal oscillator. It combines USB, I²S, coaxial, AES/EBU, optical and network streaming inputs with balanced XLR and single-ended RCA outputs for reference-grade digital-to-analog conversion. Why it stands out Fully Discrete 27-Bit R2R Architecture Every signal-path component is an individual surface-mount resistor, capacitor and op-amp hand-selected by Gustard engineers — no integrated DAC chip. The 27-bit R2R ladder delivers natural, non-oversampling character with exceptional midrange purity. Built-In OCXO Oven-Controlled Clock An ultra-stable clock source maintained at constant temperature inside a sealed chamber reduces jitter below 5ps RMS across all sample rates, even during long playback sessions where ambient heat affects standard oscillators. Native DSD1024 & PCM 1536kHz Supports native DSD up to DSD1024 and PCM up to 1536kHz via I²S, with DSD512 and 768kHz over USB. Three selectable digital filter modes — Linear Sharp, Minimum Slow and Super Slow — let you tailor the presentation. Network Streaming & Full Connectivity Built-in network streamer supports Roon Ready, AirPlay, DLNA and UPnP. USB-B, I²S (HDMI), AES/EBU, coaxial and optical inputs cover every digital source, while balanced XLR (5.1Vrms) and RCA (2.5Vrms) outputs connect to any amplifier or preamp. Best for High-end two-channel systems seeking reference R2R decoding Listeners who prefer natural, non-oversampling DAC character Network streaming setups with Roon, AirPlay or DLNA Systems with balanced XLR or single-ended RCA amplification Not ideal for Budget-conscious buyers — this is a flagship-level investment Listeners who need built-in headphone amplification Systems requiring MQA decoding (not supported) Specifications Architecture 27-bit fully discrete R2R ladder Clock Built-in OCXO oven-controlled crystal oscillator PCM Up to 1536kHz (I²S) / 768kHz (USB), 16-32bit DSD Up to DSD1024 (I²S) / DSD512 (USB), native & DoP Digital Inputs USB-B, I²S (HDMI), AES/EBU, Coaxial, Optical, LAN (RJ45) Analog Outputs Balanced XLR (5.1Vrms), Single-ended RCA (2.5Vrms) Dynamic Range >123dB SNR >121dB THD+N ≤0.00145% @ 1kHz Frequency Response 20Hz-20kHz / ±0.2dB Streaming Roon Ready, AirPlay, DLNA, UPnP Power AC 115V/230V 50/60Hz, <35W Dimensions W430 × D300 × H80mm (including feet) Weight 10kg (packaged) FAQ Q: Does the R30 have a built-in headphone amp?A: No, the R30 is a pure DAC/preamp. Pair it with a dedicated headphone amplifier or integrated amplifier. Q: Can I use an external word clock?A: The R30 has a built-in OCXO clock. External clock input depends on specific configuration — refer to the user manual. Q: Is Roon Ready included?A: Yes, the R30 is Roon Ready certified for seamless network streaming.

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$3,419.05

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Gustard Gustard U26

The Gustard U26 is a high-performance USB digital interface (DDC) designed in collaboration with Amanero Technologies. It transforms USB input into ultra-precise digital output for your DAC through IIS (I²S), AES/EBU or coaxial connections, with an SC-cut OCXO master clock and K2 high-performance PLL synthesis for femtosecond-level jitter performance. Why it stands out Gustard × Amanero Custom USB Engine Developed in collaboration with Amanero Technologies, the U26 uses a custom UAC2 USB audio engine powered by an ARM Cortex-M7 (i.MX RT1011) processor. The ASIO driver with buffer/latency controls ensures optimal performance for Windows-based audio systems. SC-Cut OCXO Master Clock An SC-cut OCXO (Oven-Controlled Crystal Oscillator) master clock combined with the K2 high-performance PLL synthesis (98.3040/90.3168 MHz) achieves ultra-low jitter at the femtosecond level, ensuring precise clocking for your DAC regardless of the source clock quality. High-Resolution Support Supports PCM up to 32-bit/384kHz and DSD up to DSD256 (DoP) via coaxial and AES/EBU outputs. IIS (I²S) output supports even higher rates depending on your DAC's capabilities. A 10MHz BNC input allows synchronization with external clock sources. Linear Power Supply & Premium Build Linear power supply with audio-grade toroidal transformer, dual rectifier bridges, discrete regulation and ultra-low-noise LDOs, with 80,000µF primary filtering. Full aluminum alloy enclosure with EMI shielding. Digital outputs include IIS (HDMI), AES/EBU (XLR), coaxial (RCA) and a 10MHz BNC clock input. Best for Audiophiles with high-end DACs who want to improve USB input quality Systems where the computer's USB output is a bottleneck Listeners who want to add IIS (I²S) output to a USB-only source Setups requiring external clock synchronization (10MHz BNC input) Not ideal for Casual listeners — a DDC is a specialized component for serious audiophiles Systems where the DAC already has an excellent USB input (diminishing returns) Budget-conscious buyers Specifications USB Engine Gustard × Amanero custom UAC2, ARM Cortex-M7 (i.MX RT1011) Clock System SC-cut OCXO master clock + K2 PLL synthesis (98.3040/90.3168 MHz) USB Input USB Type-B (female), USB 2.0 PCM Up to 32-bit/384kHz (coaxial/AES), higher via IIS DSD Up to DSD256 (DoP) via coaxial/AES Digital Outputs IIS (HDMI), AES/EBU (XLR), Coaxial (RCA, 75Ω) Clock Input 10MHz BNC (50Ω, 0dBm-20dBm) Coaxial Output Level ≥500mV P-P @ 75Ω load Power Supply Linear PSU with toroidal transformer, 80,000µF filtering Power AC 115V/230V 50/60Hz, <15W Dimensions W330 × D260 × H65mm Weight 4.8kg (net), 6.3kg (packaged) FAQ Q: What is a USB digital interface (DDC)?A: A DDC (Digital-to-Digital Converter) takes USB input from your computer and converts it to standard digital outputs (IIS, AES/EBU, coaxial) with improved clocking, connecting to your DAC's digital inputs. It improves sound quality by isolating the DAC from computer noise and providing a cleaner clock signal. Q: Do I need a DDC if my DAC already has USB?A: If your DAC has a high-quality USB input (e.g., with XMOS interface), a DDC may provide diminishing returns. However, for DACs with mediocre USB inputs or for IIS (I²S) connection, a DDC can provide significant improvement. Q: Does the U26 require driver installation?A: The U26 uses UAC2 (USB Audio Class 2), which is natively supported by macOS and Linux. Windows requires the ASIO driver provided by Gustard/Amanero.

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$949.05

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