ITEM NAME:DC12V~24V TPA3116D2 2x80W Dual-Channel Stereo Digital Power Amplifier AMP BoarOZ Description: Chip type: TPA3116D2 Chip protection: over voltage / under voltage / over temperature / DC detection / short circuit Supply voltage: DC12-24V Output power: 80Wx2 Power efficiency:> 90% Channel: two-channel output Size: 6cm x 4.7cm(2.36" x 1.85") Package Included 1PC*amplifier board 1PC*audio cable.Chip type: TPA3116D2. 1PC amplifier board. Channel: two-channel output. Output power: 80Wx2. Power efficiency:> 90%. Size: 6cm x 4.7cm(2.36" x 1.85").