RK-70.4-/-4 Channel powerful mosfet class AB amplifier-/-4ch x 70w 4 ohm-/-4ch x 130w 2 ohm-/-Bridge 4 ohm stable : 2ch x 190w-/-Maximum power 4000W-/-Rear channel Bass controller-/-Bridgeable with variable Bass boost-/-Power and protect led indicators-/-2 or 4 channel selectable input switch