BOSS Audio CER1200M Chaos Erupt  1200-watts Monoblock Class A/B 1 Channel 2-8 Ohm Stable Amplifier with Remote Subwoofer Level Control Full-Range Monoblock Class A/B Topology MOSFET Power Supply Low and High Level Inputs Variable Crossover Full-Range Monoblock^Class A/B Topology^MOSFET Power Supply^Low and High Level Inputs^Variable Crossover