ITEM NAME:XH~M543 TPA3116D2 Dual-channel 120W Digital Audio Receiver Power Amplifier Board Everyone is a moon and has a dark side which he never shows to anybody..Chip Type: TPA3116D2. 1 x Audio Amplifier Board. Channel: Dual Channel Stereo. Big heatsink chip mounted on the surface of the amplify module; The heatsink is with array construction which is more easy for heat dissipation.