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 ZH3 – All-in-One Desktop DAC / Headphone Amp / Preamp
The Fosi Audio ZH3 is a versatile, feature.rich desktop DAC (Digital-to-AnalogConverter) and headphone amplifier designed to significantly enhance theaudio experience for headphones ancpowered speakers.lt serves as a centra hub for your digital audio sources.converting digital signals into high-fidelity analog sound and providing clean, powerful amplification.Key Features & Description:1. Dual DAC Chip Design:At its core, the ZH3 utilizes two high performance Burr-Brown PCM1793 DAC chips (one per channel). This dualmono configuration helps to minimize crosstalk and improve channel separation, resulting in a cleaner, more detailed,and wider soundstage.2.Versatile Connectivity:The ZH3 is built to connect to a wide range of audio sources..Inputs:lt features Coaxial, Optical (Toslink),and USB-B digital inputs,allowing you to connect it to deviceslike computers, game consoles, CDDVD/Blu-ray players, and TVs.Outputs:lt provides both 6.35mm(1/4")and 4.4mm Balanced headphone jacks, catering to a widerange of headphones from standardsingle-ended to modern balanced-armature models.There are also RCA ine outputs to connect to a dedicated power amplifier or activespeakers3. Gain Selection & Flexibility:To properly drive headphones withdifferent impedance and sensitivityevels, the ZH3 includes a 3-positiongain switch (Low/Medium/High).Thisallows you to match the amplifier'spower output to your specificheadphones, ensuring optima!performance without distortion or background noise.
$233.99
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Fosi Audio Fosi Audio SP601 – 6.5″ HybridCone Bookshelf Speakers 80 W RMS
The Fosi Audio SP601 is a pair ofcompact, passive bookshelf speakersdesigned to deliver a balanced andpowerful audio performance for their sizeand price point. They are engineered as aversatile solution for entry-level to mid-fistereo music listening or as part of ahome theater setup.Key Features & Design1.2-Way Bass Reflex Design: The SP601features a classic and efficient speakeiarchitecture.Woofer: lt is equipped with a 4-inchwoven Kevlar bass driver. Kevlar isprized in speaker design for its highrigidity and low weight, allowing for punchy, fast, and accurate bassresponse with minimal distortion.Tweeter: lt uses a 1-inch silk dome tweeter. Silk dome tweeters are known for producing a smooth, detailed,and non-fatiguing high- freguency sound,making them idealfor long listening sessions.Bass Reflex Port: A rear-firing bass port enhances the low-frequency extension, allowing the speakers to produce deeper bass than what would be possible from the wooferalone in a sealed cabinet.2.Solid Wood Construction: A significantselling point of the SP601 is its cabinetwhich is crafted from solid wood (oftenMDF-Medium-Density Fibreboard) rather than plastic or thinner composites.This rigid construction is crucial as it minimizes unwanted cabinet vibrations and resonances resulting in a cleaner, more accurate sound.
$467.99
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Fosi Audio Fosi Audio GR70 – Tube Headphone Amplifier & Pre-amp with 830 mW Output
The Fosi Audio GR70 is a compact, hybridtube headphone amplifier designed todeliver the warm, rich, and musical sounosignature associated with vacuum tubescombined with the power and clarity ofsolid-state amplification.lt serves as anexcellent entry point into the world of tubeaudio for headphone enthusiasts.Key Features & Design1. Hybrid Tube Amplification: At the heartof the GR70 is its hybrid design.lt usesa vacuum tube in the pre-amplificationstage to impart the characteristic "tubewarmth" and harmonic richness to theaudio signal. This signal is then handedoff to a solid-state output stage, whichprovides the clean power and controlneeded to drive a wide range ofheadphones efficiently. This design offers the best of both worlds: the pleasing sonic character of tubes without the high cost and maintenance of a full tube (OTL) amplifier. 2.User-Interchangeable Tubes: Astandout feature is its ability to "rol" orswap tubes.The amplifier comes standard with a pair of 6J1 tubes, but users can easily replace them withother compatible tubes (like 6AK5 6AK5W, EF95, 5654) to subtly tailor thesound to their preference. This allows for a personalized listening experience3. Dual Outputs with lmpedanceMatching: The GR70 is equipped withtwo headphone outputs:Low-lmpedance Output(0-150Q):Optimized for most modern dynamic driver headphones,lEMs (In-Ear Monitors),and lower-impedance models.
$233.99
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Fosi Audio Fosi Audio ZP3 – Balanced Preamp Hub with XLR/RCA & Sub-Out
The Fosi Audio ZP3 is a compact, featurerich stereo preamplifier designed to act asthe central control hub for a high-qualitydesktop or home audio system.it bridgesthe gap between your audio sources (likea DAC, phone, or turntable) and a poweramplifier or active speakers, providingsuperior sianal controland sound shaping.Here are its standout characteristics:1. Dual Tube & Op-Amp Rolling (HybridDesign):This is the ZP3's most distinctive featureIt uses a hybrid circuit that combines thewarm,smooth character of vacuum tubeswith the clarity and precision of solid-state operational amplifiers (op-amps).Crucially, it allows for "rolling" both the tubes and the op-amps. This means enthusiasts can easily swap these components to fine-tune the sound signature to their personal preference from lush and vintage to detailed and modern. 2.High-Resolution Audio Support:The ZP3 is built to handle high-qualitydigital audio. lt features a built-in USBDAC (Digital-to-Analog Converter) thatsupports resolutions up to 32-bit/384kHzand DSD256.This allows it to perfectlydecode high-resolution audio files from acomputer, providing a significant upgradeover standard computer sound cards3. Versatile Connectivity:It offers a comprehensive set of inputsand outputs for a device of its size:.Inputs:USB-C (for digital audio from aPC),Optical, Coaxial, and two sets ofRCA analog inputs. Outputs: RCA line-out for connecting to a power amplifier, and a dedicated6.35mm(1/4")headphone output with its own volume contro, making it a capable headphone amplifier.
$233.99
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Fosi Audio Fosi Audio MC101 – Bluetooth 5.3 Class-D Stereo Amplifier with VU Meter
Retro VU Meter Stereo Amp with 2x100W @4Ω. Bluetooth 5.3 + RCA, bass/treble tuning. CNC aluminum build, Class-D clarity. 24-month warranty – retro charm meets modern audio. The Fosi Audio MC101 is an ultra-compactand minimalist stereo amplifier designedfor simplicity and modern convenience. ltstrips away complexity to offer astraightforward,high-quality solution forpowering speakers in a desktop, office, olsmall room setup, with a strong emphasison wireless connectivity.Key Features & Description:1. Compact and Minimalist Design:The MC101 is remarkably small, with afootprint not much larger than asmartphone.lts sleek, all-meta!aluminum chassis aids in heat dissipation and gives it a durable premium feel. The design is clean featuring only a single knob for volume/ power and a small LED indicator,making it incredibly simple to use
$99.90
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Fosi Audio Fosi Audio DS2 Dongle DAC Headphone Amplifier
Fosi Audio DS2 Portable Dongle DAC & Headphone Amplifier Bring your music to life wherever you go. The Fosi Audio DS2 combines a high-resolution DAC and a powerful headphone amplifier into a compact USB dongle, delivering true Hi-Fi sound from your smartphone, tablet, or laptop. Hi-Res Audio Performance – Equipped with a premium ESS Sabre DAC chip supporting up to 32-bit/768 kHz PCM and DSD512, the DS2 reproduces your music with breathtaking clarity and detail. Powerful Headphone Amplification – Delivers up to 280 mW @ 32 Ω, easily driving high-impedance headphones while maintaining low noise and ultra-low distortion. Plug-and-Play Convenience – USB-C interface works seamlessly with Android, Windows, macOS, and iPadOS devices (Lightning adapter optional). No external power or driver required. Compact & Durable Design – Slim aluminum alloy housing with braided cable for enhanced durability and heat dissipation. Perfect for pocket-friendly portability. Wide Compatibility – Supports popular lossless streaming services (TIDAL, Apple Music, Qobuz, etc.) and outputs balanced (4.4 mm) & single-ended (3.5 mm) connections for flexibility. Technical Specifications DAC Chip: ESS ES9219 (dual configuration) Sampling Rate: Up to 32-bit/768 kHz PCM, DSD512 Native Output Power: 280 mW @ 32 Ω balanced / 150 mW @ 32 Ω single-ended Output Ports: 4.4 mm balanced & 3.5 mm single-ended headphone jacks THD+N: <0.0005% SNR: 120 dB Frequency Response: 20 Hz–40 kHz Interface: USB-C (OTG) Dimensions: 12 × 45 × 9 mm (dongle only) Weight: ~18 g Why Choose Fosi Audio DS2Compact yet powerful, the DS2 is the perfect upgrade for anyone who wants to enjoy studio-grade sound from portable devices without carrying a bulky desktop DAC/amp. Whether at home, in the office, or on the go, it unlocks the full potential of your favorite headphones.
$59.90
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Fosi Audio Fosi Audio K5 Pro – Mini Stereo Gaming DAC & Headphone Amplifier
The Fosi Audio K5 Pro is a mini stereo gaming DAC headphone amplifier designed to enhance the audio experience for gamers and music enthusiasts. The Fosi Audio K5 Pro is a highly popular,all-in-one desktop audio solution thatcombines a high-resolution DAC (Digitalto-Analog Converter) with a powerfulheadphone amplifier. lt is designed to be asignificant upgrade over the built-in audioof computers and gaming consoles, offering a rich feature set for audiophilesgamers,and music enthusiasts at anaccessible price point.Key Features:1. High-Resolution Audio Decoding:The K5 Pro is built around a high-performance DAC chip (such as theAK4493SEQ or similar) capable ofprocessing audio signals up to 32-bit/768kHz PCM and DSD512This ensures exceptional audio fidelity with a wide soundstage detailed clarity, and a very low distortion level, allowing you to hear nuances in your music that are lost on standard audio outputs
$75.00
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Fosi Audio Fosi Audio SK02 – Desktop DAC & Balanced Headphone Amplifier
Compact Yet Powerful: The SK02 employs a minimalist and stylish design language. Despite its small size, it boasts mighty features. It supports DSD256 and PCM 32bit/384kHz high-resolution decoding, along with 3.5mm single-ended and 4.4mm balanced headphone outputs. Its robust power can easily drive a wide range of headphones and IEMs with an impedance range of 16-300 ohms. Stunning Performance: It features a high-end ESS SABRE ES9038Q2M DAC and SGM8262 op-amps. Its excellent circuit design ensures superior parameters with a SNR as high as 120dB, a low noise floor of only 3.7μV, and an incredibly low THD of 0.001%. The 4.4mm balanced output power reaches an impressive 1100mW at 32 ohms. The exceptional high-resolution capability and pure sound quality make every listening experience an extraordinary sensory journey. User-Friendly Design: The SK02 requires no drivers and offers plug-and-play convenience. It integrates a big multi-functional control knob, allowing easy access to power on/off, play/pause, and volume adjustments. The unit features quick-switch buttons for high/low gain and input modes. Additionally, its colorful indicator lights enable effortless identification of the current working mode and the song's sampling rate. Remarkable Versatility: Supports USB and optical input, widely applicable for decoding with computers, laptops, CD players, TVs, and projectors. Not only can it function as a headphone amplifier, but it can also serve as a preamp, pairing with active speakers or an amplifier like Fosi Audio V3, ZA3, TB10D amp, and passive speakers to form a desktop listening or home audio system. Exquisite and Durable: The SK02 is crafted from a single piece of aluminum alloy using CNC machining and a delicate sandblasting process. This not only gives it an exquisite appearance but also ensures lasting durability. In addition, Fosi Audio pledges to provide a 24-month worry-free warranty and responsive customer service to all users.
$116.99
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Fosi Audio Fosi Audio PH05 5 Channel Headphone Amplifier
The PH05 is a versatile one-in-five-out stereo headphone splitter/amplifier, allowing you to connect up to five sets of headphones simultaneously, adapting to multiple audio-sharing and distribution scenarios The Fosi Audio PH05 is a compact anddedicated phono preamplifier (also knownas a phono stage) designed to breathenew life into your vinyl record collection.Its primary function is to amplify andcorrect the audio signal from a magneticphonograph cartridge, allowing you toconnect a turntable to any standard audicsystem that lacks a dedicated phonoinput.Key Features:1. Dual Phono EQ Selection:.The PH05 supports both of the majorphono equalization standards:RIAA: The modern standard foralmost all records produced from the late 1950s to the present.Columbia (LP): An older EQ curveused for many eary mono and stereo LPs (typically pre-1955) This switchable EQ makes the PH05 versatile and capable of accuratelyreproducing records from differenteraS.2. Gain Mode Switch:It features a gain selector toaccommodate different types of cartridges:.40dB (MM):Standard gain level formost Moving Magnet (MM)cartridges, which are the most common type found on modern turntables.60dB (MC): Higher gain level suitable for lower-output Moving Coil (MC) cartridges, offering greater compatibility for audiophiles with higher-end setups.3.Capacitance Loading Selection:,A unique feature for a preamp in itsclass,the PH05 includes a 3-positionswitch to adiust capacitance load(0pF, 100pF, 220pF).
$49.90
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Fosi Audio Fosi Audio T20X Bluetooth Tube Amplifier Headphone
The Fosi Audio T20Xis the evolvedsuccessor to the popular T20, buildingupon its tube-hybrid foundation withsianificant upgrades in powerconnectivity, and audio fidelity.lt remainsa versatile desktop DAC and headphoneamplifier designed to deliver the warmengaging sound of vacuum tubes whileoffering the clarity and detai of moderntechnology.Key Features & Enhancements over T20:1. More Powerful Amplification:.The T20X features a more robustoutput stage, providing significantlyhigher power to drive a wider rangeof headphones, including demandinghigh-impedance models, with greaterauthority and dynamic range.2.Upgraded High-Resolution DAC:.It incorporates a superior DAC chip(often the ES9038Q2M or similar)vcapable of decoding audio signals upto 32-bit/768kHz PCM and DSD512 This represents a majorleap in resolution support over the T20 offering exceptional detail, a lower noise floor, and a wider soundstage.3. Dual Tube Design with Enhanced Glow:The T20X expands the tube experience with two 6K4/6J1 vacuum tubes, often housed under a distinctive protective cage.This dual-tube configuration can contribute to a richer sound. The tubes are also more visibly showcased,adding a warm, aesthetic glow to your desktop.4. Bluetooth 5.2 with LDAC Support:A major addition is Bluetooth 5.2input with support for high-quality codecs like LDAC, aptX HD, and aptXAdaptive.This allows for convenient wirelessstreaming from smartphones andtablets without sianificant
$99.90
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Fosi Audio Fosi Audio T20 – Bluetooth Tube Hybrid Amp, 50W×2 Class-D
Fosi Audio T20 Bluetooth Tube Amplifier Desktop Headphone Amp & Preamp equipped with OPA1656 op-amp, supporting 16-600Ω headphones. Features RCA input, 3.5mm/6.35mm outputs for versatile connections. Delivers crisp details and rich bass. Compact design fits desks easily—elevate your HiFi listening experience. The Fosi Audio T20 is a unique desktopaudio component that combines thewarmth of tube amplification with theprecision of solid-state technology. ltfunctions as both a high-resolution DAC(Digital-to-Analog Converter)and aheadphone amplifier, designed to adorich, musical character to your digitalaudio sources.Key Features:1. Tube-Hybrid Preamplifier Stage:The defining feature of the T20 is its6AK5/5654 vacuum tube in thepreamplifier stage. This tube isresponsible forimparting acharacteristically"warm""smooth"and harmonically rich sound to theaudio signal.The tube is user-replaceable, allowingenthusiasts to "tube roll"(swapdifferent brands or models ofcompatible tubes) to customize the sound sianature to their persona taste.
$89.90
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Fosi Audio Fosi Audio ZA3 – Balanced Class-D Stereo/Mono Amplifier with XLR
The Fosi Audio ZA3 is a compact yetpowerfulstereo amplifier that leveragesmodern Class D technology to deliverhigh-fidelity sound. lt stands out in thecrowded market of miniamplifiers due toits exceptional power output,flexibleconfiguration options,and support forhigh-resolution audio, making it an ideacenterpiece for a wide range of homeaudio systems.Key Features:1. High Power Output & TPA3255 Chip:At the heart of the ZA3 is therenowned Texas instrumentsTPA3255 amplifier chip, a benchmarkfor performance in the Class Dcategory.lt delivers robust power, typically**165Wx2 (at 4Ω, with a 36V powersupply)**, This substantial outputallows it to drive a wide variety ofbookshelf and floor-standingspeakers with ease and dynamic headroom.
$129.90 $109.99
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Fosi Audio Fosi Audio N3 – Portable Bluetooth Headphone Amp & Receiver with Bass-Boost
Fosi Audio N3 Portable Bluetooth Headphone Amplifier The Fosi Audio N3 is a versatile andcompact desktop audio device thatcombines a high-performance Digital-toAnalog Converter (DAC) with a powerfulheadphone amplifier. lt is designed tosignificantly improve the audio qualityfrom various digital sources, making it anideal solution for audiophiles, gamers, andoffice users alike.Key Features:1. High-Resolution DAC:At its core, the N3 features a highquality DAC chip (commonly theES9018K2M or similar) capable of decoding audio signals up to 32-bit/384kHz PCM and DSD256.This ensures exceptional detail, awide dynamic range, and a very lownoise floor, revealing nuances in yourmusic that standard computer orphone audio outputs often miss.
$49.90
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Fosi Audio Fosi Audio HT4S – 5-Channel Class-D Bluetooth Amplifier (30W×5)
All-in-One Amp: A mini amplifier that integrates DAC and power amplification. This stereo amplifier supports up to 5 channels output, switchable between 4.1 and 5.0 channels. It features Bluetooth, AUX, and optical digital inputs, along with pre-out and support for up to 5 speaker outputs. Multi-Scenario Solution: Ideal for pairing with outdoor speakers or wall-mounted speakers, perfect for setting up 2 to 5-channel audio systems in environments like patios, cafes, restaurants, bars, etc. It can also serve as a home theater or desktop HiFi system amplifier, meeting your diverse needs from indoor to outdoor settings. Enhanced Immersion: Take your sim racing and home theater experience to a whole new level! By pairing with bass shakers, its sufficient power output and bass boost help significantly enhance the realism of racing simulator games. When watching movies at home, the vibration feedback can also help you experience your movies in another dimension, making every movie feel more realistic like being in a cinema. Effortless Operation: Featuring a comprehensive user-friendly design with a built-in power supply, accompanied by remote control, supporting bass and treble tone adjustment, a multifunctional central knob for volume control, powering on/off and mode switching, LED mode indicator ambient light, etc. Enjoying music has never been easier. Elegant and Durable: Continuing Fosi Audio's tradition of an all-aluminum alloy body design, the CNC unibody construction and fine metal sandblasting process highlight a minimalist aesthetic. The full metal body ensures durability, and you can enjoy Fosi Audio's 24-month guarantee for every unit.
$140.39
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Fosi Audio Fosi Audio P3 – Tube Preamplifier & Headphone Amp with Bluetooth 5.1
The Fosi Audio P3 is a compact yet powerful tube preamplifier designed for audiophiles seeking warm, natural sound with modern convenience. At its core, it features a true vacuum tube amplification circuit powered by a 54V supply, allowing the tubes to deliver rich harmonics, smooth highs, detailed midrange, and deep bass. Key Features:1.Classic Vacuum Tube Design:The heart of the P3 is its 6K4/6J1vacuum tubes, which are clearlyvisible on the top panel. These tubesare responsible for the classic "tubesound," characterized by a smooth,musical midrange and a softening ofdigital harshness.The tubes are user-replaceableallowing for "tube rolling"_thepractice of swapping different brandsor types of compatible tubes to finetune the sound sianature to personapreference.2.Dual input Selection:lIt features two stereo RCA inputchannels,allowing you to connectand switch between two differentaudio sources,such as a DAC and aphono stage (for a turntable with anexternal preamp).
$79.90
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Fosi Audio Fosi Audio DS1 – Portable USB-C DAC/Headphone Amplifier with DSD512
Fosi Audio DS1: Hi-Fi DAC Amp with ESS 9038Q2M, DSD512/768kHz. 220mW dual outputs, alloy build. 3-year warranty for mobile/PC. The Fosi Audio DS1 is a compactversatile,and high-performance portabledevice designed to significantly improveaudio quality from computers,smartphones, and other digital sources. ltfunctions primarily as a USB DAC (Digital.to-Analog Converter) and a headphoneamplifier, serving as an essential audioupgrade for both casual listeners andaudiophiles on the go.Key Features & Description:1.High-Resolution Audio Decoding:At its core, the DS1 is built to handlehigh-resolution audio formats. lttypically features a high-quality DACchip (like the ES9018Q2C) capable ofdecoding signals up to 32-bit/384kHzPCM and DSD256.This means it canprocess studio-quality audio files revealing details and clarity that standard computer or phone headphoneiacks cannot reproduce.
$79.90
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Fosi Audio Fosi Audio Q4 – Compact DAC & Headphone Amplifier with USB / Optical / Coax
Fosi Audio Q4 Desktop DAC & Headphone Amplifier Upgrade your desktop audio with the Fosi Audio Q4 — a high-performance USB DAC and headphone amplifier designed for PC, Mac, and gaming consoles. Compact yet powerful, it brings high-resolution sound and precise volume control to your favorite headphones and active speakers. Hi-Res Audio Decoding – Built with a premium 24-bit/192 kHz DAC chipset, the Q4 delivers crystal-clear sound, wide dynamic range, and accurate detail for music, movies, and games. Powerful Headphone Amplifier – Drives most headphones up to 300 Ω with ease, providing clean, punchy output with low distortion and noise. Multiple Inputs for Flexibility – Supports USB, Optical (SPDIF), and Coaxial digital inputs plus RCA line output, making it ideal for PC, TV, PS5/PS4, Xbox, or media players. Bass & Treble Controls – Front-panel knobs allow quick tone adjustment to suit your listening preferences. Compact Desktop Design – Sturdy aluminum alloy chassis with tactile volume knob and illuminated indicators; small footprint fits any desk or entertainment center. Technical Specifications DAC Chip: High-performance 24-bit/192 kHz converter Supported Inputs: USB (Plug & Play), Optical (SPDIF), Coaxial Output: 3.5 mm headphone jack, RCA stereo line out Output Power: Up to 100 mW @ 32 Ω headphone load SNR: ≥110 dB THD+N: ≤0.003% Headphone Impedance Support: 16 Ω – 300 Ω Frequency Response: 20 Hz–20 kHz Power Supply: DC 5 V (USB powered) Dimensions: approx. 100 × 73 × 33 mm Weight: ~180 g Why Choose Fosi Audio Q4The Q4 is an all-in-one desktop solution for upgrading your computer or console audio. It combines a versatile DAC, a clean headphone amplifier, and convenient tone controls in a single compact unit, giving you rich, detailed sound for music, gaming, and movies.
$69.90
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Fosi Audio Fosi Audio SK01 – Compact Headphone Amplifier & Preamp with Tone Control
Key Features: High-Performance Amplification: Equipped with a advanced TPA3255 chip, the SK01 delivers up to 255W per channel (at 4Ω) with exceptional clarity and minimal distortion, ensuring rich, dynamic sound across all frequencies. Dual Connectivity Options: Seamlessly switch between Bluetooth 5.0 for wireless streaming (supporting AAC and SBC codecs) and RCA/RCA+L/R inputs for wired connections with turntables, TVs, CD players, and more. Precision Tone Control: Adjust bass, treble, and volume with dedicated knobs for fine-tuned sound customization tailored to your preferences. Sleek, Durable Design: Housed in a robust aluminum alloy casing with a vintage-inspired wood panel, the SK01 combines retro aesthetics with modern durability. User-Friendly Interface: Intuitive controls and a blue backlit display provide clear visibility and ease of use, even in low-light environments. Universal Compatibility: Works effortlessly with speakers ranging from 4Ω to 8Ω, making it ideal for bookshelf, floor-standing, or vintage passive speakers. Technical Specifications: Output Power: 255W x 2 (4Ω), 160W x 2 (6Ω), 120W x 2 (8Ω) Bluetooth Version: 5.0 (compatible with AAC/SBC) Signal-to-Noise Ratio (SNR): ≥98dB Frequency Response: 20Hz–20kHz (±1dB) Inputs: RCA (stereo), RCA+L/R (for dual-source switching) Power Supply: 32V/5A (DC, power adapter included) Dimensions: 7.5" x 5.9" x 2.4" (190mm x 150mm x 60mm) Weight: 3.3 lbs (1.5 kg) What’s Included: FOSI Audio SK01 Amplifier 32V/5A Power Adapter RCA Audio Cable User Manual Ideal for audiophiles and casual listeners alike, the FOSI Audio SK01 bridges the gap between vintage warmth and modern technology. Upgrade your sound today—wherever music lives.
$79.00
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Fosi Audio Fosi Audio MC351 – 2.1-Channel Integrated Amplifier + DAC with VU Meter
Fosi Audio MC351 2.1 Channel Integrated Amplifier Feature： All-in-One DAC Amplifier High Power with Great Sound 5 input modes: Bass and Treble Controls Mini VU Meter: Classic Retro Vibe The Fosi Audio MC351 is a compactdesktop-class stereo amplifier thatcombines the warmth of tube technologywith the power of solid-state amplificationin a unique hybrid design. lt is designed todeliver an engaging and musical audioexperience for enthusiasts looking to adda touch of analog character to theirmodernlisteningsetup.Key Features & Description:1. Hybrid Amplification Circuit:At its heart, the MC351 is a hybrid amplifier. lt uses a 12AU7 vacuum tube in its pre-amplification stage to process the initial audio signal. This tube is responsible for imparting the classic warm, and harmonically rich "tube sound" that audiophiles cherish. The signal then passes to a efficient and powerful Class D power amplifierstage,which provides the clean powerneeded to drive speakers.
$169.90
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Fosi Audio Fosi Audio BT30D Pro 2.1 Channel Bluetooth Amp
Fosi Audio BT30D Pro 2.1 Channel Bluetooth Amp Feature High-Performance Amplifier• Connect Passive/Powered Speakers, Passive/Powered Subwoofers • Supports SUB frequency, SUB Volume, Master Volume/Bass/Treble Control• Replaceable Knobs: Orange Knob The Fosi Audio BT30D Pro is a versatileand compact stereo audio amplifierdesigned to elevate your listening experience for desktop setups, bookshelf speakers, and even smal home theater systems. lt combines multiple connectivity options with a robust poweoutput in a small, user-friendly package Key Features & Description:1.Powerful Dual-Mode Amplification:.TPA3255 Chipset: At its heart is the high-performance Texas Instruments TPA3255 Class-D amplifier chip, knowr for its excellent power efficiency and low distortion. This allows the BT30DPro to deliver a clean and dynamic sound.High Power Output: lt can deliver up to165W per channel at 4Q,or 120W perchannel at 8Q.This is substantial powerfor its size, capable of driving a widerange of bookshelf and floor-standin,speakers with authority.
$109.90 - $129.90
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Fosi Audio Fosi Audio TB10D – High-Power Class-D Stereo Amplifier (2×300 W)
Fosi Audio TB10D is an analog input(RCA) Class-D audio amplifier that easy to install to build your home audio sound system. MAX Power Output up to 600Watts. TB10D adopts TI TPA3255 high-performance Class-D power amplifier chip enabling true premium sound quality. Key Features:1. High Power Output withTPA3255Chip:At its core, the TB10D is built aroundthe high-performance TexasInstruments TPA3255 amplifier chipThis chip is renowned for its excellentefficiency and audio quality in theClass D domain.It delivers robust power, typically****~155Wx2 (at 4Ω load)**. Thissubstantialoutput allows it toconfidently drive a wide range ofbookshelf and floor-standingspeakers.2.Dedicated Subwoofer Output:。A key feature is the RCA subwooferoutput,enabling easy integration ofan active subwoofer to create apowerful2.1-channelsystem.This isideal for enhancing bass response forpoth music and home theaterapplications.
$79.90
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Fosi Audio Fosi Audio BT30D – 2.1 Channel Class-D Bluetooth Amplifier with Sub Out
Fosi Audio BT30D Bluetooth 2.1 CH Power Amplifier. Elevate your audio experience with the Fosi Audio BT30D! This 2.1 - channel Bluetooth 5.0 amplifier features advanced TPA3116D2 chips for a powerful 50W×2 + 100W output. It offers stable, long - range wireless connection, clear sound, and has SUB volume/frequency controls. Compact yet mighty, it's perfect for home or outdoor setups. Key Features:2.1 Channel Configuration withIndependent Subwoofer Control: Thisis the defining feature of the BT30D.lt can power two main stereo speakers (Left and Right) while also connecting to an active subwoofer via a dedicated RCA output.lt includes a separateSubwoofer Volume Knob, allowing youto perfectly balance the bass level withyour main speakers.High Power Qutput: Leveragingefficient Class D technology, it deliversrobust power, typically 50W+ 50W forthe main channels and 100W for thesubwoofer channel (performancedepends on the power supply used)This provides dynamic and room-fillingsound.
$79.90
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Fosi Audio Fosi Audio V3 – Compact Class-D Stereo Amplifier with 300W×2 Output
The V3 Mono can serve as a power amplifier for multi-channel AVRs, complementing the output power to easily drive high-power speakers in home theater systems. The Fosi Audio V3 is a compact stereopower amplifier that has gainedsignificant attention for its purist approach to sound reproduction.lt strips away non-essential features like tonecontrols and Bluetooth, focusing solely ondelivering clean, powerful, and uncoloredamplification.lts design is heavily influenced by the "Gaincell" technologyfrom Neurochrome, aiming for exceptionally low distortion and a transparent sound signature.Key Features:1.Neurochrome Modulus-GaincelInspired Design:.The core circuit of the V3 is inspiredby the prestigious Neurochrome Modulus-Gaincell architecture. This desian prioritizes ultra-low distortion (<0.0007% THD+N),a wide frequency response,and a high damping factor, resulting in exceptionay cean and accuratesound reproduction.
$109.90 - $279.00
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Fosi Audio Fosi Audio Box X5 – High-Performance MM/MC Phono Preamplifier
Fosi Audio BOX X5 Mini Phono Preamp. It supports MM and MC cartridges, provides 4-level gain adjustment, and provides RIAA equalization accuracy. The Fosi Audio Box X5 is a compact andversatile USB DAC (Digital-to-AnalogConverter) and headphone amplifierdesigned to be a significant upgrade fromthe basic audio built into computers andsmartphones.lt serves as an externahigh-quality sound card, delivering clean,detailed, and powerful audio for criticalistening, gaming, and content creationKey Features (Hypothetical):1. High-Resolution Audio Decoding:Equipped with a high-performance DAC chip (e.g., ESS Sabre or similar)capable of decoding audio signals upto 32-bit/384kHz PCM and DSD256 This ensures exceptional detail retrieval and a low noise floor.2.Dual Headphone Outputs:Features both a 6.35mm (1/4") and a3.5mm headphone jack, providingcompatibility with a wide range ofheadphones, from professionalstudio monitors to consumer-grade in-ear monitors.
$109.90
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