Features 4 Channel Full Range Class D Circuitry 1 Ω Stereo load Capability Low level RCA inputs Selectable Crossover: HPF/LPF/Full Bridgeable outputs @ 2Ω load Compatible with any 4/1Ω Loudspeaker High Efficiency Mosfet Design Heat Management System Specifications 4x500 Watts @ 4 Ω Stereo 4 x 1000 Watts @ 1Ω Stereo 2 x 2000 Watts @ 2Ω Bridged THD at Rated Power <0.5% Bandwidth (-3 dB) - 18Hz- 22KHz Damping Factor (1k Hz @ 4Ω) - 100 Signal to Noise Ratio >90dB Input Sensitivity: 285Mv - 6V Minimu