ITEM NAME:TPA3116 D2 12V 24V 100W Mono Channel Digital Power Audio Amplifier BoardJC!c Description: Chip Type: TPA3116D2 Supply voltage: dc12-26v Output Power: 100W SNR: 100db Channels: Mono size: 79 * 54 * 16MM Package Included : 1PCS* DC 12V 24V 100W TPA3116DA Mono Channel digital Power audio amplifier board.1PCS DC 12V 24V 100W TPA3116DA Mono Channel digital Power audio amplifier board. Output Power: 100W. Channels: Mono. size: 79 54 16MM.