This is a brand new, factory sealed PYLE PRO home audio or studio power amplifier which retails for $399.99 plus sales tax. This 2 channel bridgeable power amplifier delivers 3300 watts of pure power. It is equipped with a heavy duty internal fan and aluminum heatsink for forced cooling and heat dissipation, dual color LED indicators, and Short/Thermal/Overload LED indicators which let you know when there is fault or clipping occurring. Each channel has its own input gain control which determines how loud each channel will sound for a given input signal. It is equipped with both RCA and XLR 1/4" jack combo inputs which allow for balanced or unbalanced audio input signals. It features shockproof, banana plug style binding posts which make for easy connectivity to your systems speakers. It also features a Stereo/Bridged mode and 110/220 Volt switch. We are an authorized PYLE PRO dealer. Complete with a full 2 year manufacturer's warranty and our exclusive 30 day money back guarantee.