Pioneer GM-DX971

Mono subwoofer amplifier — 1,200 watts RMS x 1 at 1 ohm
 
mono subwoofer amplifier
500 watts RMS x 1 at 4 ohms (800 watts RMS x 1 at 2 ohms)
1,200 watts RMS x 1 at 1 ohm
CTA-2006 compliant
Class D amp technology
frequency response: 10-240 Hz
variable low-pass filter (40-240 Hz, 12 dB per octave)
wired remote variable bass boost (0-18 dB at 50 Hz)