ITEM NAME:DC8-26V 30W x 2 XH-A232 Class D Digital Audio Power Amplifier Board Mp3 Amp C4I7 DC8-26V 30W x 2 XH-A232 Class D Digital Audio Power Amplifier Board Mp3 Amp C4I7 Peak power: 30W*2 Channels: 2 (2.0) Product Name: Digital Audio Power Amplifier Board Amplifier type: Class D Input voltage: DC8~26V Model Number: XH-A232 Input current: 3A or more Number of channels: two channels Output impedance: 4~8 ohms Signal to noise ratio: 100DB colour:blue Material:metal Size: 53*45*14MM Package Contents: 1*Amplifier Board.Peak power: 30W 2. Amplifier type: Class D. 1 Amplifier Board. Input current: 3A or more. Number of channels: two channels.