Features ATC – Audiophile Grade Tiffany RCA Connectors ACT – Adaptive Crossover Technology High efficiency Class D Technology Direct Connect Speaker Terminals 4 Gauge Power Wire Inputs APC – Audio Protection Circuit SESI – Signal Evaluation Status Indicator CHM – Collective Heat Management Specifications Rated Power @14.4 Volts 4 x 125 Watts @ 4Ω 4 x 250 Watts @ 2Ω 2 x 500 Watts @ 4Ω Bridged SPECIFICATIONS Working Voltage 10 - 16 Volts Frequency Response 20Hz - 30KHz Signal to Noise Ratio <85dB