Description: Brand new and high quality. Stereo digital audio amplifier dual channel peak 60W. 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: 13 x 10 x 4.5cm Package Includes: 1 Piece Stereo Amplifier Board Module