Pioneer GM-A6604 4 Channel 760 Watts Peak/360 Watts RMS Bridgeable Car Amplifier Product Type:Amplifier Width:13.7 in Depth:8.5 in Height:2.4 in Connector Type:2 x audio line-in ( RCA phono x 2 )  Speakers input  DC power input ( screw-type )  Speakers output ( screw-type )