4-channel car amplifier 150 watts RMS x 4 at 4 ohms (150 watts RMS x 4 at 2 ohms) 300 watts RMS x 2 in bridged mode (4-ohm stable in bridged mode) variable high- and low-pass filters (30-400 Hz, 12 dB/octave) Class-D amplifier design stackable installation design with front-panel controls quick-connect speaker connectors preamp-level inputs MOSFET power and output stages CEA-2006 compliant fuse rating: 30A x 2 4-gauge power and ground leads recommended ? wiring and hardware not included with amplifier 10-3/16?W x 2-1/2?H x 8-7/8?D