FUSION Apollo Amplifier, 4 Channel, 1200 Watt Apollo Series, MS-AP41200 1200-Watt (150 Watts RMS @ 4 ohms) 4 channel amplifier. Features Class-D amp, Easy-Tune, LED indicator, conformal coated PCBs, powder-coated aluminum finish, high-power mode, and easy installation. MFG# 010-02284-40