Power Acoustik VA1-8000D 8000 Watts Max 1 Ohm MOSFET Car Stereo AmplifierBRAND NEWPOWER ACOUSTIK VA1 8000DVertigo Series 8000 Watts Max Power Class D 1 Ohm Monoblock Car Audio AmplifierKey Features: 1 ohm minimum impedance Class D monoblock operation 8,000 watts max power 850 watts RMS x 1 at 4 ohms 1,400 watts RMS x 1 at 2 ohms 2,600 watts RMS x 1 at 1 ohms MOSFET power supply with Audiophile Grade IR transistors Military grade SMT PCB maintains dynamic performance Direct short, thermal, and overload circuit protection