Fosi Audio BT20A MAX front panel with motorized knob for precise control in listening rooms.
BT20A MAX rear panel showing dual RCA inputs and dedicated subwoofer output for flexible setups.
BT20A MAX remote control for quick volume, input, and mode adjustments.
Cooling vents and built-in fan ensure stable high-power performance on the BT20A MAX.
BT20A MAX powering left and right speakers in a 2.1 home setup.
Bluetooth 6.0 with LDAC on the BT20A MAX for high-fidelity wireless streaming.
CS4398 decoding chip in the BT20A MAX enabling high-resolution Bluetooth audio.
PFFB technology in the BT20A MAX reduces distortion for cleaner detail.
Dedicated subwoofer output on the BT20A MAX enables richer 2.1 system depth.

Fosi Audio

Fosi Audio BT20A MAX – 300W x 2 Hi‑Fi Stereo Power Amplifier with PFFB, LDAC Bluetooth 6.0

High-performance electronics accessories made for confident daily results

$344.09

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Why customers choose Nexoltic

Powerful, precise amplification for modern home audio

The Fosi Audio BT20A MAX blends high-current amplification with advanced digital features to deliver clean, detailed sound across a wide listening range. With a dual independent power supply and PFFB technology, it aims to minimize noise and distortion while preserving dynamic impact for music, movies, and gaming.

Designed for 2.1 and multi‑source setups, this amplifier integrates wired and wireless connectivity in a compact chassis. The result is a versatile core for upgrading your existing two‑channel system or building a fuller home theater experience without adding unnecessary complexity.

Key technical strengths you may notice

  • Purity Sound: PFFB technology paired with a dual independent power supply targets ultra‑low distortion (≤0.003%) and SNR ≥112dB, helping reduce noise and preserve detail.
  • Robust power and cooling: the unit delivers up to 300W per channel and includes a built‑in fan, with cooling efficiency enhanced about 30% over the PRO version for stable high‑power operation.
  • Hi‑res wireless: Bluetooth 6.0 powered by the QCC3095 chipset supports LDAC, aptX Lossless, aptX HD, aptX Adaptive, aptX, SBC, and AAC, up to PCM 24‑bit/96kHz for richer wireless audio.
  • Flexible inputs and outputs: dual RCA inputs, a dedicated subwoofer output, and a motorized analog potentiometer you can adjust with the supplied remote for precise balance in real time.
  • Dedicated decoding: CS4398 enables high‑spec 24‑bit decoding with a wide dynamic range and exceptionally low THD+N, delivering subtle nuance with minimal distortion.
  • All‑in‑one controls: Bypass mode for direct signal, Tone controls for bass and treble, a 12V trigger for synchronized power, and HPF support for speaker optimization.

In everyday use, you can stream from a Bluetooth source, connect a turntable or DAC via RCA, and add a subwoofer for deeper, theater‑like bass. The remote makes it easy to fine‑tune levels from your sofa, while the tone controls let you tailor the sound to your room acoustics. While performance can vary by room and speaker, the BT20A MAX presents a flexible platform for building a personable, immersive listening setup without sacrificing clarity or control.

FAQ

Q: What makes the BT20A MAX suitable for a home audio upgrade?

A: Low distortion, high SNR, robust power, and flexible inputs make it a capable core for two-channel or 2.1 setups.

Q: What connectivity options does the BT20A MAX offer?

A: Dual RCA inputs, a dedicated subwoofer output, and Bluetooth 6.0 with LDAC plus remote control for easy adjustments.

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