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Launches January 10

Fosi Audio BT20A MAX 

Effortless Connectivity across All Scenarios

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Designed for Flexibility 

All to MAX

Home Audio ZP3
Fosi Audio BT20A MAX Stereo Amplifier Fosi Audio BT20A MAX Stereo Amplifier Fosi Audio BT20A MAX Stereo Amplifier

Launches January 10

Fosi Audio BT20A MAX 

Effortless Connectivity across All Scenarios
Thank you for subscribing.

Subscribe to Unlock Your Early-Bird Offer
Fosi Audio BT20A MAX Stereo Amplifier

Designed for Flexibility 

All to MAX

Our Best-Sounding Amp Yet

The BT20A MAX is Fosi Audio’s first stereo amplifier to feature PFFB technology. This technology minimizes distortion (≤0.003%) and boosts the SNR (≥112 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—more alive and vivid.

Our Best-Sounding Amp Yet

The BT20A MAX is Fosi Audio’s first stereo amplifier to feature PFFB technology. This technology minimizes distortion (≤0.003%) and boosts the SNR (≥112 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—more alive and vivid.
Our Best-Sounding Amp Yet

Dual Independent Power Supply

BT20A MAX adopts a dual-rail power architecture with separate supplies for the digital and analog sections. Paired with Japanese ELNA capacitors, it effectively reduces noise interference, delivering cleaner power and a purer sound background. This design further enhances the performance of the PFFB technology, ensuring stable and high-fidelity audio output.

BT20A MAX adopts a dual-rail power architecture with separate supplies for the digital and analog sections. Paired with Japanese ELNA capacitors, it effectively reduces noise interference, delivering cleaner power and a purer sound background. This design further enhances the performance of the PFFB technology, ensuring stable and high-fidelity audio output.
Dual Independent Power Supply

Impressive Chip Performance

Powered by Texas Instruments TPA3255 amp chip with NE5532 op-amps and finely tuned by our professional acoustic team, the BT20A MAX delivers detailed and natural sound. Its tonal, musical bass and clean separation offer a living, emotional journey.

Compact Size, Giant Sound

With peak power reaching 300W per channel, the BT20A MAX delivers excellent control and can effortlessly drive mainstream speakers. It not only faithfully produces the subtle emotions of vocals but also creates a wide, immersive soundstage with ease.

Enhanced Cooling Design

Cooling vents are specially designed on the top and sides of the chassis to ensure proper airflow. Building on the PRO version, the BT20A MAX further refines its circuit design and features a built-in silent fan, improving overall cooling efficiency by 30%.
Bluetooth Stereo Power Amp

Hi-Res Bluetooth Codecs

With Bluetooth 6.0, the BT20A MAX supports a wide range of high-quality codecs such as LDAC, aptX, and aptX Lossless, delivering a stable, low-latency connection and a high-resolution listening experience across the room.
Bluetooth Stereo Power Amp

3 Audio Inputs, 2 Outputs

BT20A MAX features two sets of RCA inputs and Bluetooth connectivity, allowing you to switch instantly between digital and analog sources with a dedicated button.
BT20A Max Audio Inputs

Dedicated Subwoofer Output
Easily Build Your 2.1 System

Practical Audio Solution

All-Scenario Listening

With lossless Bluetooth transmission and versatile connectivity, the BT20A MAX adapts seamlessly to both indoor and outdoor setups. Whether for home entertainment or professional HiFi, it is a perfect choice both as a starter amp and as a secondary system.

 Fosi Audio BT20A MAX

2.1 Home Audio System

Best Preamplifer

Wireless Listening Indoors

Best Preamplifer

Outdoor Audio Enjoyment

Thoughtful Companion 

All-Aluminum Alloy Chassis

 Best Preamplifer

Layering of Light & Shadow

 Best Preamplifer

Specifications

Specifications

Which amp is right for you？

Which amp is right for you？

What's in the box？

Exceptional Sound Quality

No longer abstract, the excellence of sound quality is now visible to the eye.

Specifications

Channel

2.1

Chipset

TI TPA3255, NE5532

Max Output Power

300Wx2@4Ω

RMS Output Power

180Wx2@4Ω

Input

RCA1/RCA2/Bluetooth

Output

Speaker Out/Sub Out

SNR

≥112dB

THD+N 

≤0.003%

Terminal Impedance

2-8Ω

Bluetooth SoC

Qualcomm QCC3095

Bluetooth Device Name

Fosi Audio BT20A MAX

Bluetooth Version

6.0

Bluetooth Connection Range

≤15m(50 ft)

Bluetooth Audio Codecs

SBC/AAC/aptX/aptX HD/aptX Adaptive/aptX Lossless/LDAC

Frequency Response

20Hz-20kHz(±0.5dB)

Voltage Range

DC 32V-48V

What's in the box？

Free Shipping

Delivery Available for Every Order

Money-Back Guarantee

30 Days Free Return

Customer Support

Provide you with all-round services

24 Months Warranty

Quality Assurance Guarantee
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