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  • 2 VIDEOS
  • Fosi Audio BT20A MAX Stereo Power Amplifier, 300W x 2 Hi-Fi Audio Amp with PFFB Technology, LDAC Bluetooth 6.0, Dual Independent Power Supply, Remote Control, Perfect for 2.1 Systems & Home Audio
  • Fosi Audio BT20A Max Product Introduction VideoFosiAudioDirect

Fosi Audio BT20A MAX Stereo Power Amplifier, 300W x 2 Hi-Fi Audio Amp with PFFB Technology, LDAC Bluetooth 6.0, Dual Independent Power Supply, Remote Control, Perfect for 2.1 Systems & Home Audio

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About this item

  • Purity Sound: Featuring PFFB technology and dual independent power supply, this stereo amplifier delivers ultra-low distortion (¡Ü0.003%) and high SNR (¡Ý112dB). It can reduce noise interference, resulting in a clean, detailed audio performance
  • Enhanced Cooling System: Powered by the TPA3255 & NE5532 chips, the BT20A MAX delivers 300W per channel. Its enhanced design includes a built-in silent fan, improving cooling efficiency by 30% over the PRO version for stable, high-power performance
  • Hi-Res Bluetooth Connectivity: Equipped with Qualcomm Chip QCC3095, Bluetooth 6.0 with support for LDAC/aptX Lossless/aptX HD/aptX Adaptive/aptX/SBC/AAC codecs, max sampling rate PCM 24bit/96kHz. Delivering a stable, low-latency connection
  • Versatile Connectivity: Featuring dual RCA inputs, dedicated subwoofer output, and the motorized analog potentiometer allows precise adjustments via the included remote control, perfect for building a 2.1 amplifier home audio system
  • All-in-One Audio Control: Enjoy pure sound with Bypass mode, while customizable bass & treble controls in Tone mode. The 12V Trigger input enable synchronized power on/off, and the HPF adjustment for speaker performance
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  2. Guided by our mission of "Redefining HiFi with Unmatched Value", Fosi Audio continues to fuel its passion for the Hifi industry, ramp up R&D efforts, and co-create new HiFi equipment with users. We pledge to bring more amazing Hifi gear with high value for the price, innovative design, cutting-edge technology, and premium quality, to audiophiles worldwide.

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Product information

Technical Details

Manufacturer ‎Shenzhen Foresight Technology Co., Ltd.
Place of Business ‎3rd Floor, Building 10, Aohua Industrial Zone, Gaofeng Community, Dalang Street, Longhua District, Shenzhen 518000 China
Part number ‎max
Item Weight ‎2 kg
Parcel Dimensions ‎25.7 x 18.79 x 6.3 cm; 2 kg
Item model number ‎max
Material ‎Aluminum
Included components ‎User Manual
Batteries Required? ‎No

Additional Information

ASIN B0G634SYD8
Â鶹Çø Rank
Date First Available Jan. 21 2026

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Fosi Audio BT20A MAX Stereo Power Amplifier, 300W x 2 Hi-Fi Audio Amp with PFFB Technology, LDAC Bluetooth 6.0, Dual Independent Power Supply, Remote Control, Perfect for 2.1 Systems & Home Audio

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Product details

  • Parcel Dimensions ‏ : ‎ 25.7 x 18.79 x 6.3 cm; 2 kg
  • Date First Available ‏ : ‎ Jan. 21 2026
  • Manufacturer ‏ : ‎ Shenzhen Foresight Technology Co., Ltd.
  • Place of Business ‏ : ‎ 3rd Floor, Building 10, Aohua Industrial Zone, Gaofeng Community, Dalang Street, Longhua District, Shenzhen 518000 China
  • ASIN ‏ : ‎ B0G634SYD8
  • Item model number ‏ : ‎ max
  • Country of origin ‏ : ‎ China
  • Â鶹Çø Rank: #9,315 in Electronics (See Top 100 in Electronics)

Product Description

Fosi Audio BT20A MAX Bluetooth Stereo Power Amp

amplifier stereo amplifier audio amplifier mini amplifier

Effortless Connectivity across All Scenarios. With lossless Bluetooth transmission and versatile connectivity, the BT20A MAX adapts seamlessly to both indoor and outdoor setups.

Bluetooth SoC: Qualcomm QCC3095

Fosi Best-Sounding Amp Yet


BT20A MAX is Fosi¡¯s best-sounding amp ever¡ªmultifuctional, feature PFFB technology, adopts a dual independent power supply, ensuring stable and high-fidelity audio output.

  • SNR¡Ý112dB; THD+N¡Ü0.003%£»Frequency Response: 20Hz-20kHz(¡À0.5dB)
  • Max Output Power: 300°Â³æ2°ª4¦¸; Rated Output Power: 180Wx2@4¦¸
  • Input: RCA1/RCA2/Bluetooth; Output: Speaker Out/Sub Out
  • Bluetooth Audio Codecs: SBC/AAC/aptX/aptX HD/aptX Adaptive/aptX Lossless/LDAC

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.

Fosi Audio BT20A MAX Stereo Power Amplifier

Merchant video

  • The included IR remote can reset Bluetooth, switch inputs, control music tracks(in Bluetooth mode), and even control other Fosi gear(P4/ZD3/ZP3).

  • Press the RESET button on the remote to instantly drop the current connection, and clear the historically connected devices. Then pair your own device fresh (No Bluetooth reconnection function).

  • In TONE mode, the EQ controls are active, it can adjust the sound by treble and bass control. In Bypass mode, it bypasses the internal EQ, including treble and bass adjustments, to preserve the original audio signal output.

Fosi Audio BT20A MAX

Fosi Audio MAX Amplifier

Buying Options

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Fosi Audio BT30D

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Customer Reviews
4.0 out of 5 stars 19
4.4 out of 5 stars 9,069
4.5 out of 5 stars 84
4.3 out of 5 stars 2,783
4.4 out of 5 stars 1,576
Type
Bluetooth 2.1 CH Amp Bluetooth 2.0 CH Amp Bluetooth 2.0 CH Amp Bluetooth 2.1 CH Amp Bluetooth 2.1 CH Amp
MAX Power Output
300°Â³æ2°ª4¦¸ 100W x 2 100W x 2 300W x 2 50W x 2+100W
Input
RCA1/RCA2/Bluetooth Bluetooth + RCA Bluetooth + RCA Bluetooth + RCA Bluetooth + RCA
Output
Speaker Out/Sub Out Passive Speakers Passive Speakers Passive Speakers Passive Speakers
Treble & Bass Control
? ? ? ? ?
THD
¡Ü0.003% ¡Ü 0.04% ¡Ü 0.005% ¡Ü 0.04% ¡Ü 0.3%
SNR
112dB ¡Ý 98dB ¡Ý108»åµþ ¡Ý 98dB ¡Ý 108dB
Terminating Impedance
2-8Ohm 2-8 Ohm 2-8 Ohm 2-8 Ohm 2-8 Ohm
Power Adapter
48V5A 24V/4.5A 32V/5A 24V/4.5A 32V/5A
Sponsored
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FREE delivery Sun, Mar 1
$116.99
FREE delivery Sun, Mar 1
$259.99
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Product Summary: Fosi Audio BT20A MAX Stereo Power Amplifier, 300W x 2 Hi-Fi Audio Amp with PFFB Technology, LDAC Bluetooth 6.0, Dual Independent Power Supply, Remote Control, Perfect for 2.1 Systems & Home Audio

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About this Item

  • Purity Sound: Featuring PFFB technology and dual independent power supply, this stereo amplifier delivers ultra-low distortion (¡Ü0.003%) and high SNR (¡Ý112dB). It can reduce noise interference, resulting in a clean, detailed audio performance
  • Enhanced Cooling System: Powered by the TPA3255 & NE5532 chips, the BT20A MAX delivers 300W per channel. Its enhanced design includes a built-in silent fan, improving cooling efficiency by 30% over the PRO version for stable, high-power performance
  • Hi-Res Bluetooth Connectivity: Equipped with Qualcomm Chip QCC3095, Bluetooth 6.0 with support for LDAC/aptX Lossless/aptX HD/aptX Adaptive/aptX/SBC/AAC codecs, max sampling rate PCM 24bit/96kHz. Delivering a stable, low-latency connection
  • Versatile Connectivity: Featuring dual RCA inputs, dedicated subwoofer output, and the motorized analog potentiometer allows precise adjustments via the included remote control, perfect for building a 2.1 amplifier home audio system
  • All-in-One Audio Control: Enjoy pure sound with Bypass mode, while customizable bass & treble controls in Tone mode. The 12V Trigger input enable synchronized power on/off, and the HPF adjustment for speaker performance

Product description

The BT20A MAX is Fosi Audio¡¯s first stereo amplifier to feature PFFB technology. This technology minimizes distortion (¡Ü0.003%) and boosts the SNR (¡Ý112 dB), while also enhancing linearity and frequency response to deliver greater sound purity and improve overall system efficiency. Meticulously tuned by our acoustic engineers, it brings you a neutral and detailed sound that makes your music feel closer¡ªmore alive and vivid.
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