20W+20W Class D Digital Sound Board TPA3100D2 Dual Channel Audio Module

XH-M577 2-Channel Digital Audio Tone Board 80W x2 Output DC12V-24V Input

TPA3110 30W Single Channel Digital Audio Board PCB Module DC 8V to 26V Input

30W Single Channel TPA3110 Digital Audio Board Compact 44x30mm DC 8-26V Input

XH-M577 2-Channel Digital Audio Tone Board 80W x2 Output DC12V-24V Input

TDA7297 Class AB Dual Channel Amp Board for Speaker Systems 15W x 2 Output