Application-specific amplifier kit Plug-n-play RCA input harnesses included take the 2-channels of audio signal available from the source and provide 4 separate channels at 800 watts 2 or 4-ohm speaker load (Manually selectable on the amplifier itself for a 2-ohm or 4-ohm speaker load) Full range class D digital amplifier properly shielded against RF interference into the AM or FM stereo radio bands Advanced digital switching power supply technology to dramatically reduce the 12v current demands on the motorcycle electrical system Amplifier mounts to the custom made stainless steel 2-piece bracket system, to provide solid and secure mounting & blocking amplifier heat from being transferred to the radio Fully programmable thru the internal digital signal processor (DSP) and comes out of the box already dialed in for your specific application to provide maximum highway performance from your factory audio system Also included: custom made heavy-gauge power and ground wires used for the fused battery & frame connections, all necessary mounting hardware, complete installation/operation instructions. AMP ROK 800W4CH 15-20FLTR