SG-DA51600 Signature Series - 1600W, 5 Channel Amplifier Powerful, Rock-The-Boat Sound!1600 Watts of Class D output run the speakers and sub off of one powerful amp.Features5-Channel, 1600 Watt, Class D amplifierCan amplify up to 4 pairs on Fusion speakers speakers run in parallel on 4-channels and the MS-SW10 Fusion Subwoofer2-Ohm StableSuperior 1 piece HEAVY-DUTY die cast chassis5-Way circuitry protection - ThermalReversed Power PolarityDC Offset ProtectionHigh Low VoltageDiscrete install pan