Description Specifications POWER Total Watts (Peak) 1800W RMS Power @ 4 ohm 4 x 150W RMS Power @ 2 ohm 4 x 230W RMS Power @ 4 ohm Bridge 2 x 430W AUDIO Frequency Response 20Hz-20KHz Signal to Noise Ratio >90dB Efficiency @ 4ohm 81% Damping Factor 78 Input Impedance 22K Channel Separation 70dB Total Harmonic Distortion (THD) 0.01% Low Level Input Range 0.25-6V High Level Input NO Selectable X-Over LPF/FLAT/HPF X-Over Filter Range 50Hz-250Hz Bass Boost Range N/A Bass Boost Frequency N/A Infrasonic Filter N/A Phase Selector NO FEATURES Amplifier Class Digital (D) Amplifier Type 4CH Full Range Number of Channels 4CH Minimum Impedance 2 ohm St / 4 ohm Bridge Led Indicator Power / Protection / Clip Power Input Terminal Size 4 ga Fuse Size 2 X 40A Remote Level Control NO Cooling Fan NO Voltmeter NO Thermal Protection YES Over-Load Protection YES DC Output Protection YES Short Circuit Output Protection YES Voltage Input Protection YES Clipping Protection YES Body Color / Finish Matte black MEASUREMENT Overall Length 10.43" / 265mm Overall Wide 4.72" / 120mm Overall Height 1.96" / 50mm Heatsink Length 8.58" / 218mm Gross Single Unit Weight 1.6KG