This product is sold brand new. A manufacturer warranty applies only when the manufacturer provides one for this item.
Return requests must be submitted within 14 days of delivery and approved by our RMA department before the item is shipped back. Non-defective returns may be subject to a minimum 25% restocking fee and return shipping charges. Unauthorized returns are not eligible for credit or refund. Read the full return policy.
Fosi Audio BT20A MAX Bluetooth Stereo AmplifierEffortless Connectivity Across All ScenariosCarefully tuned by our acoustic engineers, it delivers a neutral, detailed sound that brings your music closer, making it feel more vivid and lifelike.
High-ResThe BT20A MAX uses a Qualcomm QCC3095 chipset with Bluetooth 6.0. It supports high-quality codecs including aptX, aptX HD, aptX Adaptive, aptX Lossless, and LDAC, delivering stable, low-latency, high-resolution audio performance.
Our Best-Sounding Amp YetThe BT20A MAX is Fosi Audio’s first stereo amplifier to incorporate PFFB technology. This design reduces distortion to ≤0.003%, increases SNR to ≥112 dB, and improves linearity and frequency response for cleaner sound and higher overall efficiency.
Dual Independent Power SuppliesThe BT20A MAX uses a dual-rail power architecture with independent supplies for the digital and analog sections. Combined with Japanese ELNA capacitors, it reduces noise interference, providing cleaner power and a quieter background. This design further supports PFFB performance, delivering stable, high-fidelity audio output.
Enhanced Cooling DesignCooling vents are strategically placed on the top and sides of the chassis to promote effective airflow. Building on the PRO version, the BT20A MAX features an improved circuit design and a built-in silent fan, increasing overall cooling efficiency by 30%.
Compact Size, Giant SoundWith peak power up to 300W per channel, the BT20A MAX provides strong control and easily drives a wide range of speakers. It accurately reproduces vocal detail while delivering a spacious, immersive soundstage.
Impressive Chip PerformancePowered by the Texas Instruments TPA3255 amplifier chip with NE5532 op-amps and carefully tuned by our acoustic team, the BT20A MAX produces detailed, natural sound. Its well-balanced bass and clear separation create a rich, engaging listening experience.
Flagship CS4398 DACDelivers high-resolution Bluetooth input with accurate reproduction, detailed sound, and low distortion.
Hi-Res Bluetooth CodecsWith Bluetooth 6.0, the BT20A MAX supports high-quality codecs such as LDAC, aptX, and aptX Lossless, providing a stable, low-latency connection and high-resolution audio performance throughout the room.3
Easily Build Your 2.1 SystemDesigned for refined 2.1 systems, it includes a dedicated subwoofer output for smooth bass integration. With two RCA inputs and Bluetooth input, it supports up to three audio sources, and the independent input selection button allows easy switching between them.
A Practical Audio SolutionFeaturing a motorized volume knob with remote control, the BT20A MAX provides smoother volume adjustment with reduced noise and distortion. It allows you to control Bluetooth, inputs, and playback from your seat, while the selectable high-pass mode shifts bass duties to improve midrange clarity and vocal detail.
A Thoughtful CompanionThe BT20A MAX provides versatile listening options, including a Bypass Mode for a clean, low-noise signal path, bass and treble controls for custom sound adjustment, and a 12V trigger input for synchronized power on and off with connected components.
Aesthetics Meet TextureThe BT20A MAX provides versatile listening options, including a Bypass Mode for a clean, low-noise signal path, bass and treble controls for custom sound adjustment, and a 12V trigger input for synchronized power on and off with connected components.
2.1 Home Audio SystemWireless Listening IndoorsPurity Sound With PFFB technology and a dual independent power supply, this stereo amplifier achieves ultra low distortion (≤0.003%) and a high SNR (≥112 dB). It minimizes noise interference to deliver clean, detailed audio performance.
Enhanced Cooling System Using the TPA3255 and NE5532 chips, the BT20A MAX delivers up to 300W per channel. Its updated design includes a built in silent fan, increasing cooling efficiency by 30% over the PRO version for stable high power operation.
Hi Res Bluetooth Connectivity Equipped with the Qualcomm QCC3095 chip and Bluetooth 6.0, it supports LDAC, aptX Lossless, aptX HD, aptX Adaptive, aptX, SBC, and AAC codecs, with a maximum sampling rate of PCM 24 bit/96 kHz, providing a stable low latency connection.
Versatile Connectivity Includes dual RCA inputs, a dedicated subwoofer output, and a motorized analog potentiometer for precise control using the included remote, making it ideal for 2.1 home audio systems.
All in One Audio Control Bypass mode provides a clean signal path, while tone mode allows bass and treble adjustment. A 12V trigger input enables synchronized power control, and the high pass filter improves overall speaker performance.
Specifications
Channel: 2.1 Chipset: TI TPA3255, NE5532 Max Output Power: 300W × 2 @ 4Ω RMS Output Power: 180W × 2 @ 4Ω Input: RCA1 / RCA2 / Bluetooth Output: Speaker Out / Sub Out SNR: ≥ 112 dB THD+N: ≤ 0.003% Terminal Impedance: 2–8ΩBluetooth SoC: Qualcomm QCC3095 Bluetooth Device Name: Fosi Audio BT20A MAX Bluetooth Version: 6.0
Bluetooth Connection Range: ≤ 15 m (50 ft) Bluetooth Audio Codecs: SBC / AAC / aptX / aptX HD / aptX Adaptive / aptX Lossless / LDAC Frequency Response: 20 Hz–20 kHz (±0.5 dB) Voltage Range: DC 32 V–48 VWhat's in the Box?BT20A Max Power Amplifier x 1 Bluetooth Antenna x 1 User’s Manual x 1 IR Remote x 1 Power Adapter x 1
Remote Control, PFFB Technology, Bypass, High-Pass Filter, 12V Trigger, Motorized Potentiometer
This product is sold brand new. A manufacturer warranty applies only when the manufacturer provides one for this item.
Return requests must be submitted within 14 days of delivery and approved by our RMA department before the item is shipped back. Non-defective returns may be subject to a minimum 25% restocking fee and return shipping charges. Unauthorized returns are not eligible for credit or refund. Read the full return policy.