ITEM NAME:50W TDA7190 DC 12V 2 Channel Digital Power Audio Stereo Amplifier Board Description: Brand new and high quality. Stereo digital audio amplifier dual channel peak 50W. Smooth surface, heat resistant and tide resistantWith DC power supply connection port and DC 12-24V wiring terminals (please do not use in the same time). Volume/ Subwoofer/ Stereo knob adjustmentSeveral symmetrically mounted. Capacitances, big capacity, great filtering and energy storage function; Inductance coil has inhibition for the AC; European style wiring terminal. Specification: Size: 11 x 10.5 x 3.1cm Package Includes: 1 Piece Stereo Amplifier Board Module.Stereo digital audio amplifier dual channel peak 50W. 1 Piece Stereo Amplifier Board Module. People always bought together with.