AUTOTEK ATA2000.4 ATA Series 4-Channel Class AB Amp (2,000 Watts) Class AB; PWM power supply; Fully adjustable 12dB crossover; Unbalanced low-level RCA inputs; High-level inputs for OEM integration; Dim: 2.29"H x 9.05"W x 12.6"D; 2,000W max; 250W RMS x 4 @ 4_;