BOSS Audio CER450.2 Chaos Erupt  900-watts Full Range Class A/B 2 Channel 2-8 Ohm Stable Amplifier with Remote Subwoofer Level Control Full-Range, Class A/B Topology MOSFET Power Supply 2/1 Channel Low and High Level Inputs Variable LP Crossover Full-Range, Class A/B Topology^MOSFET Power Supply^2/1 Channel^Low and High Level Inputs^Variable LP Crossover