Mono subwoofer amplifier - 600 watts RMS x 1 at 2 ohms
Product Highlights:
-mono 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, 12 dB/oct)
-variable bass boost (0-12 dB at 50 Hz)
-CEA-2006 compliant
-Class D amp technology and MOSFET power supply
-preamp- and speaker-level inputs
-fuse rating: 30A x 2
-requires 4-gauge power and ground leads — wiring and hardware not included with amplifier
-13-1/8"W x 2-3/16"H x 7-15/16"D
GM-D8500M - Class-D Mono Amplifier with 1200 Watts Max. Power | Pioneer Electronics USA
$180obo, great condition, barely used just sitting around now.