Infinity PRIMUS-3000A - 1-Channel 250w X 1

Mono subwoofer amplifier. 300 watts RMS x 1 at 2 ohms ( 4-ohm rating unavailable). variable low-pass filter (32-320 Hz, 12 dB/octave). variable bass boost (0-12 dB at 40-100 Hz). variable phase adjustment (0-180°). preamp and speaker-level inputs. fuse rating: 15A x 2. wiring and hardware not included with amplifier