In Review: Fosi BT20A Max Bluetooth Stereo Amp

Fosi’s BT20A Max is a compact desktop amplifier that aims to do a lot in a small package. It combines great power, Bluetooth 6.0, multiple inputs, subwoofer support, a switchable equalizer, and remote control in a chassis that is clearly meant to stand on its own rather than fit neatly into an older Fosi stack. After extended use, the result is mostly v…