Product info:6-channel marine amplifier150 watts RMS x 6 at 4 ohms250 watts RMS x 6 at 2 ohms500 watts RMS x 3 bridged at 4 ohmsClass D amp technologyfrequency response: 10-20,000 Hzvariable high- and low-pass crossover filters: 40-2000 Hz, 12 dB/octaveMore info:IP67-rated dustproof and waterproof chassispreamp inputs onlywiring and hardware not included with amplifier:4-gauge power and ground leads recommendedfuse rating: 120A x 1dimensions: 15"W x 1.92"H x 4.38"Dwarranty: 2 years60-day returnsMFR # NXL-X900.6DItem # 408NX9006DCalifornia customers: Please click here for your Proposition 65 WARNING. Read more