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Fosi Audio Anniversary Sale: Enjoy 20% Off!


    Fosi Audio V3 300W x2 2.0 Channel Hi-Fi Stereo Audio Amplifier with TPA3255 Chip

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    TPA3255|300watts x2@4Ω|Hi-End Capacitors & Inductor


    1. Innovative Case Cooling System

    2. Replaceable Op-Amp Chips: SS3602, MUSES02, OPA2604AP, OPA2134PA

    3. Speaker Output + Pre-out  

    4. Logarithmic Taper A Pot

    5. Replaceable Knobs: ORANGE KNOB

    Fosi Audio BT20A PRO 300W x2 TPA3255 2 Channel Bluetooth 5.0 Power Amplifier

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    TPA3255|300watts x2@4Ω|Mini Hi-Fi Class D


    1. Bass & Treble Control with Midpoint Positioning  

    2. Op-Amp Rolling: SS3602, MUSES02, OPA2604AP, OPA2134PA

    3. Passive Speakers + Pre-out   

    4. Bluetooth Pairing Cleared

    5. Replaceable Knobs: ORANGE KNOB, GREY KNOB

    Fosi Audio BT20A Bluetooth 5.0 Amplifier 2 Channel Stereo Amp Receiver Class D Amplifier for Home Audio System

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    TPA3116D2|Mini Hi-Fi Class D|Bass & Treble Control


    1. Simple and Compact  

    2. Bluetooth 5.0 

    3. Advanced Circuit Design  

    4. 100W Max X 2 

    5. Replaceable Knobs: ORANGE KNOB, GREY KNOB


    Fosi Audio BT30D PRO 165Wx2 +350W TPA3255 2.1 CH Bluetooth 5.0 Power Amplifier for Speaker Subwoofer

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    2PCS TPA3255|165W x2+350W@4Ω|2.1 Channel Mini Class D


    1. High-Performance Amplifier  

    2. 3.5MM Full-Range Output  

    3. Connect Passive/Powered Speakers, Passive/Powered Subwoofers  

    4. Supports SUB frequency, SUB Volume, Master Volume/Bass/Treble Control

    5. Replaceable Knobs: ORANGE KNOB

    Fosi Audio K5 Pro Gaming DAC Headphone Amplifier Mini Hi-Fi Stereo for PS5/PC/MAC/Smartphone

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    DAC Headphone Amp Combo|TI NE5532


    1. Microphone Function

    2. Versatile Connectivity

    3. 16-300 Ω Powerful Headphone Drive

    4. Bass & Treble Adjustment

    5. 2-in-1 USB Type C

    Fosi Audio Q4 Mini Stereo Gaming DAC & Headphone Amplifier Audio

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    Anniversary Sale: Enjoy 20% Off. CODE: FAAS20

    24-Bit192 KHzMultiple Conversion AdaptersPowered Active Speakers.


    1. Supports Bass & Treble  Adjustment 

    2. Aluminum Metal Shell  

    3. Mini Compact Stereo DAC  

    4. High Compatibility

    Fosi Audio M04 Amplifier Subwoofer Amp 100W With Bass Power Amplifier For Home Passive Speaker

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    Small but mighty! Fosi Audio M04 is a 100w mono-channel class D subwoofer amplifier, with a SUB/PBTL switch you can select a subwoofer bass amplifier or full frequency mono amp,...

    Fosi Audio Box X2 Phono Preamp for Turntable Preamplifier HiFi MM Phonograph Preamplifier for Record Player

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    Tube Phono Preamplifier|Remove Low-Frequency Noise


    1. 4-Levels of Output Level Setting (OFF/39/42/45 dB)

    2. Preamplifier & MM input

    3. Active Speakers

    4. Replaceable Electronic Tubes

    Fosi Audio P1 Vacuum Tube Pre-Amplifier Mini Hi-Fi Stereo Preamp 6K4 *2 Tubes


    🍎NOTE: This is a preamplifier, not a power amplifier or phono preamp, can't be used for turntables or passive speakers. RCA input to the computer, CD, phone, iPod, and other...

    Fosi Audio P2 Headphone Amplifier Vacuum Tube Headphone Amp Mini Hi-Fi Stereo Audio for Headphones

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    Excellent sound performance: Low ground noise, built-in output protect the circuit, no buzzing or ringing noise, Audiophile-level sound quality, exclusively designed for the customers who pursue HiFi sound; and safe...

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