DC12-24V Bluetooth TPA3118D2 Class-D Audio Power Amplifier Board Module XH-A415

UPC1237 Stereo Speaker Protection Board Delay Boot Circuit Module 12-18V 300W*2

TDA7379 CD7379 Power Amplifier Board 2-Channels High power Stereo amp Module

100W*2 OCL Two Channel Amplifier Board Module High Power Electronic DIY Kits

DIY MOS Power Amplifier Board PCB 100W Ultimate Fidelity Amplifier PCB Only

TDA7294 Audio HIFI Power Amplifier Board DIY Parts Kit PCB Dual Channel 100W*2

ZK-301B Mono Channel 30W Bluetooth 5.3 Stereo Audio Amplifier Board Module TWS

3-channels Stereo 2.1 Speaker Protection Board Delay Module for Power Amplifier