Product highlights:

mono subwoofer amplifier
600 watts RMS x 1 at 4 ohms (1000 watts RMS x 1 at 2 ohms)
Class D amp technology
frequency response: 10-320 Hz
Variable low-pass filter (32-320 Hz, 12 dB/octave)
variable bass boost (0-12 dB at 45 Hz)
phase switch (0, 180 degrees)
wired remote level control included

Other Features:

preamp inputs and outputs
speaker-level inputs (speaker wire-to-RCA adapters included)
wiring and hardware not included with amplifier
4-gauge power and ground leads recommended
fuse rating: 35A x 3
dimensions: 15-5/8"W x 2-3/8"H x 7-7/16"D