ITEM NAME:DC 12V 50W +50W TPA3116D2 High Power Digital Audio Amplifier Board T6M1 DC 12V 50W +50W TPA3116D2 High Power Digital Audio Amplifier Board T6M1 Product Name: Digital Audio Amplifier Board Amplifier chip: TPA3116D2 Supply voltage: 12V-24V DC Number of channels: 2 Signal to noise ratio:100db Output power: 50 W Output impedance: 4-8 ÃŽ © Job type: D class Size: 66 * 58 *28MM Net weight: about 60g Colour: Black Material: metal + pc Package Contents:1* Digital Power Amplifier Board.Amplifier chip: TPA3116D2. Signal to noise ratio:100db. Output power: 50 W.