Product info:2-channel amplifier150 watts x 2 at 4 ohms250 watts x 2 at 2 ohms500 watts x 1 bridged at 4 ohmsvariable high-pass filter: 15-300 Hz, 12 dB/octavevariable low-pass filter: 50-300 Hz, 12 dB/octaveMore Info:IP67-rated waterproof — fully-coated internal components and circuit boardRCA inputs handle up to 9V (20 watts)wiring, fuse, and hardware not included with amplifier4-gauge amp wiring kit with fuse or 4-gauge power and ground leads with a 60-amp fuse recommendeddimensions: 10.65"W x 2.07"H x 3.94"Dwarranty: 1 year60-day returnsMFR # DA2-500.2Item # 049DA25002California customers: Please click here for your Proposition 65 WARNING. Read more