FOR 2X ZK-TB21 TPA3116D2 5.0 2.1 Channel Subwoofer Amplifier Board 50WX2+100W Stereo Power Module

Pack of two ZK-TB21 amplifier boards based on the TPA3116D2 Class D chip. Each 5.0 subwoofer amplifier board is designed for 2.1-channel setups and delivers 50WX2 for the left/right channels plus 100W to drive a subwoofer (50WX2+100W). Compact, efficient power modules suited for DIY home audio, compact speaker systems, or stereo-plus-subwoofer configurations.