inputs.text: much power small package - bought amplifier replace cheap walmart sony xplod 4 channel amplifier previous amp put 150 watts 4 ohms big barely fit seat single cab s10 got amp truly amazed putting true 500 watts 2 ohms 2 single voice coil subs bass produced actually almost obnoxious amp small could set gain control easily reach adjustments probably one best amps ever going go rockford fosgate saw price difference rockford couldnt refuse definite good buy