Features 1800 Watts Class A/B Circuitry 2 Ohm Load Stereo Capability Audiophile Grade Components Variable Low/ High Pass Crossover High Efficiency Mosfet Design QSINK Heat Management System Specifications 2 x 160 watts @ 4Ω stereo 2 x 320 watts @ 2Ω Stereo 1 x 640 watts @ 4Ω Bridged X-Over Slope: 12dB Bass Boost @ 45Hz Input Sensitivity: 285Mv - 6V Signal to Noise Ratio >90dB THD at Rated Power <0.5% Description