Fosi Audio – Affordable Hi-Fi Made Real
Fosi Audio crafts high-quality, compact home audio components—including mini power amplifiers, DAC/headphone amps, and Bluetooth-enabled amplifiers—that deliver audiophile-grade sound at consumer-friendly prices. Built on innovative design, user collaboration, and in-house production, Fosi stands out with exceptional value, compact form factors, and impressive reviews from experts and users alike.
Fosi audio
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Fosi Audio Fosi Audio BT20A PRO Bluetooth Stereo Power Amp
Fosi Audio BT20A Pro Bluetooth Stereo Power Amp Feature: The Best Bluetooth Audio Receivers of 2025 Bass & Treble Control with Midpoint Positioning Op-Amp Rolling: SS3602, MUSES02, OPA2604AP, OPA2134PA Replaceable Knobs: ORANGE KNOB, GREY KNOB
$99.90 - $119.90
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Fosi Audio Fosi Audio GR40 – Tube DAC & Preamplifier with Bluetooth 5.1
The Fosi Audio GR40 is part of the retro-hybrid DAC, headphones amp and pre-amp devices from the brand with the use of vacuum-tubes. The Fosi Audio GR40 is a dedicated phonopreamplifier(phono stage)engineered forthe discerning audiophile, specificallydesigned to unlock the full potential ofMoving Coil (MC) cartridges. lt focuses ondelivering an exceptionally low-noisehigh-gain signa path to accuratelyamplify the delicate signal from low.output MC cartridges, while also providingversatility for Moving Magnet (MM) users.Key Features:1. Optimized for Moving Coil (MC)Cartridges:·The primary design goal of the GR40is to provide high gain (typically60dB or more) required to boost thevery low output signal from MCcartridges to a standard line-levelsignal without introducing significantnoise.
$119.90
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Fosi Audio Fosi Audio MC331 – Hybrid Tube Integrated Amplifier & DAC with VU Meter
The MC331 is a 2.0 channel integrated amplifier with vacuum tubes and built-in DAC. It supports five input modes—Bluetooth, USB, Optical, Coaxial, and RCA—making it compatible with a wide range of audio source devices. The Fosi Audio MC331 is a dedicatedmonaural(mono) power amplifierspecifically designed to drive passivesubwoofers.it provides a high-powerefficient solution for adding deep,impactful bass to a home theater orstereo audio system, eliminating the needfor a bulky traditional AV receiver.Key Features:1. Mono Block Design:Engineered as a single-channel(mono) amplifier, the MC331isperfectly tailored for powering asingle passive subwoofer, focusing alits power and resources on deliverinomaximum performance to the low-frequency driver.2. High Power Output:。Utilizing a efficient Class D amplifierchip (such as aTPA325x series),theMC331 delivers substantial poweroften in the range of ~300 watts(into 4Ω),.
$129.90
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Fosi Audio Fosi Audio Q6 – Mini Hi-Res DAC with AKM AK4493S, USB-C & Sub-Out
Delivering clean digital to analog conversion without coloring the sound. Vocals are more distinct, revealing finer details. Bass is tighter and more tuneful without overpowering, while highs gain airiness and precision for a well-balanced, immersive listening experience. The Fosi Audio Q6 is a feature-rich USBDAC(Digital-to-Analog Converter) andheadphone amplifier designed as an all-in-one audio solution for desktop users. ltcombines high-resolution audio playbackwith dedicated microphone processing,making it an ideal hub for gamers,streamers,and music enthusiasts whodemand both superior sound quality andClear communication.Key Features:1. High-Resolution Audio Decoding:Equipped with a capable DAC chip,.the Q6 supports audio playback up to24-bit/192kHz, providing a clear anddetailed audio experience that far surpasses standard computer sounccards.
$85.00
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Fosi Audio Fosi Audio BT20A – 100W ×2 Class-D Bluetooth Stereo Amplifier
The Fosi Audio BT20A is a compact yet powerful stereo amplifier. With Bluetooth 5.0, it offers a stable 33 ft connection and low signal delay. Boasting 100W x 2 output at 4 ohms, it can drive various passive speakers. Its advanced circuitry includes speaker protection. Ideal for home use with bookshelf or desktop speakers, it comes with a 24 - month warranty. Key Features:.High Power Output: Utilizing a efficientClass D circuit and a robust 32V powersupply,the BT20A can deliver up to 100watts per channel (into 4Q loads).Thisprovides ample power to drive a widevariety of passive speakers for room-filling sound.Bluetooth 5.0 Connectivity: lt featuresbuilt-in Bluetooth 5.0 with support forthe AAC codec, allowing for seamlesswireless streaming from modern devices like smartphones, tablets, and computers.The connection is stable and offers good audio quality for a convenient wireless experience Tone Control: Unlike many basic mini amplifiers, the BT20A includesdedicated Bass and Treble knobs. Thisallows you to fine-tune the soundsignature to your personal preference orto compensate for the acoustics of youiroom.
$79.90
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Fosi Audio Fosi Audio ZD3 – Fully-Balanced Desktop DAC/Preamp with HDMI ARC
High-Performance Digital-to-Analog Audio ConverterThe ZD3 is a audiophile-grade balanced stereo DAC meticulously developed by Fosi Audio after thoroughly understanding user needs. It features the ES9039Q2M high-precision DAC chip, delivering rich and superior sound. The Fosi Audio ZD3 is a compact andversatile digital-to-analog converter(DAC) and pre-amplifier designed to bethe heart of a modern high-fidelity audiosystem.lt focuses on high-resolutionaudio decoding and source switchingacting as a superior connection hubbetween your digital sources and yourpower amplifier or active speakers.Key Features:1. High-Resolution DAC Chip:. The ZD3 is built around a high-performance DAC chip (such as anESS Sabre or AKM variant),capableof decoding audio signals up to 32-bit/768kHz PCM and DSD512 via itsUSB input. This ensures bit-perfect,detailed, and accurate soundreproduction from your digital sources.
$179.90
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Fosi Audio Fosi Audio K7 – Hi-Res DAC & Headphone Amplifier with Mic Input
The K7 is an all-in-one HiFi DAC and headphone amplifier, developed based on in-depth interviews with hundreds of headphone HiFi and gaming enthusiasts. It supports mainstream digital inputs including USB, optical, and coaxial, and features aptX HD/LL for high-quality Bluetooth audio streaming. The Fosi Audio K7 is a compact andversatile portable DAC (Digital-to-AnalogConverter) and headphone amplifier. lt isdesigned to significantly improve audioquality on the go, providing a powerfuland clean audio source for smartphoneslaptops, and other portable devicesespecially when driving high-qualityheadphones.Key Features:1. Dual DAC Architecture & High Resolution Support:.The K7 often features a dual DACconfiguration(e.g., two CS43131chips or similar), which helps improvechannel separation and dynamic range.It supports high-resolution audiodecoding up to 32-bit/384kHz PCMand DSD256, ensuring detailed andaccurate sound reproduction fromhigh-res music files.
$199.90
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