This is a brand new, factory sealed, never been opened PYRAMID PB180PX car audio amplifier which retails for $99.99 plus sales tax. This 4 channel high performance amplifier delivers 300 watts of pure, clean power (75W x 4 channels). The chassis can be mounted virtually anywhere. It features 3-way protection circuitry (Short/Thermal/Overload) and a heavy duty aluminum alloy heatsink making it virtually impossible to blow. It has a frequency response of 20Hz-30 kHz and a signal to noise ratio of 90dB. It also features remote ON/OFF switching and gold plated RCA and power connections for maximum signal transfer. The fully adjustable gain controls allow you to control how much output goes to your speakers for easy integration with other components. It is equipped with both high level speaker line inputs and low level RCA inputs for easy installation. This comes with operating instructions and wiring diagrams. Complete with a 2 year warranty and our exclusive 30 day money back guarantee.