| AP1504: 1500W 4/2 Ch. Bridgeable MOSFET Amplifier Stereo/Bridged/Mono Input Switch Bass Boost 0-18dB @ 45Hz 75W RMS x 4 @ 4 Ohm Rear Frequency Multiplier MOSFET Power Supply 1500W MAX Built-In Variable 12dB/Octave Crossover Dimensions: 7"W x 2-1/2"H x 17-1/8"L 4-Way Protection High/Low Level Inputs |