ZK-TB22P 2.1-Channel TPA3116D2 Amplifier Board — 50W+50W+100W, TWS, Box Potentiometer (External Amp)

The ZK-TB22P is a 2.1-channel audio amplifier board based on the TPA3116D2 Class D amplifier IC. It provides two 50W satellite outputs and a 100W subwoofer output (50W+50W+100W). Built for external amplifier use, the board supports TWS pairing and is compatible with a box-mounted potentiometer for volume control and integration into enclosure projects.