Product Highlights: •mono subwoofer amplifier •at 14.4 volts:◦600 watts RMS x 1 at 4 ohms (1,200 watts RMS x 1 at 2 ohms) •at 12.5 volts:◦450 watts RMS x 1 at 4 ohms (900 watts RMS x 1 at 2 ohms) •differential-balanced inputs •Advanced Rollback Protection System •frequency response: 10 Hz - 250 Hz •variable low-pass filter (40-200 Hz, 12 or 24 dB/octave) •switchable bass boost (0, 6 dB at 48 Hz) •Absolute SymmetryTM Class-D amplifier design •MOSFET power and output stages •preamp-level inputs •speaker-level input with optional converter •preamp outputs •4-gauge power and ground leads and a 80-amp fuse recommended - wiring and hardware not included with amplifier •no onboard fuses - when installing multiple amps in a system, an additional 80-amp in-line fuse between the distribution block and the amplifier is recommended •9-1/4"W x 2-1/2"H x 16-1/8"D