Orion HCCA-D5000 Mono Class D Subwoofer Car Amplifier 5000 Watts 5000W HCCA High Current Competition Class D Monoblock Amplifier RMS Power Output: 4 Ohms: 1000 watts x 1 chan. * 2 Ohms: 1600 watts x 1 chan. * 1 Ohm: 2500 watts x 1 chan. 10dB of boost with INTELLi Q Remote Gain capable Selectable AUX out