Fosi BT20A Pro
Multiroom Amplifiers

BT20A Pro

Fosi

Released Nov 1, 2022 · Analysis updated Mar 19, 2026

Multiroom Bluetooth amplifier with excellent sound quality, bass and treble tone controls, and replaceable op-amps for customization. The Fosi BT20A Pro scores 82/100 based on 5 expert reviews in the multiroom amplifiers category. Coverage includes reviews from Primeaudio, Futureaudiophile, Pcper, and Techenclave.

Critic Score

What's this?
82

based on 5 expert reviews

PrimeaudioFutureaudiophilePcperTechenclaveForeveranalog

Low confidence · only 5 reviews

Where to buy

amazon$100.99

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Pros

  • Excellent sound quality for the price(2)
  • Bluetooth input(2)
  • Bass and treble tone controls(2)
  • Replaceable op-amps for customization(2)

Cons

  • No remote control included(3)

5 Expert Reviews

92
Apr 10, 2023

The Fosi Audio BT20A Pro Bluetooth power amplifier delivers audio quality well above its price point.

85
Sep 18, 2023

The Fosi BT20A Pro is an outstandingly high-value integrated amplifier that delivers impressive sound quality and power for under $100.

85
Apr 10, 2023

The Fosi Audio BT20A Pro delivers impressive HiFi performance at an affordable price with significant improvements over its predecessor.

82
Aug 25, 2023

The Fosi Audio BT20A Pro is a solid, loud, and versatile class D amplifier that offers good value for money despite some minor build and feature limitations.

65
Nov 1, 2022

The Fosi BT20A is a budget Class D amplifier that works adequately for beginners but lacks the musicality and detail expected by experienced audiophiles.