Pioneer Mono Block Car Amplifier Model GM-D8400M
Product highlights: mono subwoofer car amplifier 300 watts RMS x 1 at 4 ohms (600 watts RMS x 1 at 2 ohms) variable low-pass filter (40-240 Hz) wired bass control (variable 0 to 12 dB boost at 50 Hz) CEA-2006 compliant preamp- and speaker-level inputs fuse rating: 30A x 2 frequency response: 10-240 Hz requires 4-gauge power and ground leads — wiring and hardware not included with amplifier 13"W x 2-1/4"H x 7-15/16"D It works great and I will test it in front of you to show it is working great.