ARC AUDIO ONE OF THE BEST ENGINEERED AMPLIFIERS ON THE PLANT One problem. It's stupid expensive. Arc Audio has decided to drop ShopAudioDepot.com as an authorized dealer because we would not stop selling the products at a decent price. Arc Audio KS 300.2 2-Channel Full Range Amplifier2-Channel Full Range AmplifierAdvanced Microprocessor Control SystemNon-Digital Class G/H Switching DesignCode Based Flashing DiagnosticsDesigned By Robert ZeffProtection Against: Reverse voltage, Over Voltage, Speaker Short, and Thermal OverloadCan Drive Highly Reactive LoadsLow-Level Single-Ended RCA InputsOptically Isolated Mosfet Power SupplyQuiet Internal Fan CoolingSpecifications -2-Channels @ 4 Ohms - 180 Watts2-Channels @ 2 Ohms - 350 Watts1-Channel @ 4 Ohms (Bridged) - 700 Watts1-Channel @ 2-Ohms (Bridge) - (Not Recommended)Frequency Response - 5Hz - 50kHzCrossover Range - 55Hz - 5500HzBass Boost - +15dB @ 45HzS/N Ratio - 98dBInput Sensitivity (Low) .220mV - 3.5V Max Current Draw 70A @ 750 Watts @ 20% THD Idle Current 1.14 Amps Fuse - 3 x 30 AmpsDimensions - 11.25"(L) x 8.0"(W) x 2.375"(H)