ITEM NAME:TPA3110 Digital Audio amplifier board Mini amplifiers PBTL single channel M C6I1 TPA3110 Digital Audio amplifier board Mini amplifiers PBTL single channel M C6I1 Channels:1 Output power: 1 x30w (mono, stereo need 2pcs) Power amplifier chip: TPA3110 Type:Home Amplifier 100%Brand New and High Quality Mono PBTL digital power amplifier board PBTL Working voltage: 8 -26 VDC Recommend speaker impedance: 8 ohm is best (4 ohm 6 ohms can also be used) colour:As shown Material:Pc+metal size:Board Size:43mm*30mm Package Contents: 1*TPA3110 Digital Audio amplifier board.Mono PBTL digital power amplifier board PBTL. Power amplifier chip: TPA3110. 1 TPA3110 Digital Audio amplifier board. size:Board Size:43mm 30mm. Output power: 1 x30w (mono, stereo need 2pcs).