Features CLASS “D” CIRCUITRY Direct Connect Speaker Terminals 4 Gauge Power Wire Input CHM- Collective Heat Management ACT – Adaptive Crossover Technology SESI – Signal Evaluation Status Indicator APC – Audio Protection Circuit Specifications Rated Power @14.4 Volts 4 x 300 Watts @ 4Ω 4 x 400 Watts @ 2Ω 2 x 400 Watts @ 4Ω Bridged Parameters Frequency Response 20Hz ~ 22KHz S/N Ratio < 105 dB Low Level Input 6V - 0.2V Independent Selectable X-Over F/R HPF / LPF / BP / FULL Variable High Pass Filte