Direct replacement system for CVO model Ultras with factory Stage 1 Audio. Includes two 300-watt amps and front and rear speakers. Includes plug-and-play wire harness that adapts to CVO Specific Wire Harness. Amplifier easily installs in same location as factory amp (inside fairing). No upgrades required to factory charging system. Compatible with factory quick-detach Tour Paks. Features R.E.M.I.T. circuitry for excellent FM reception from a Class D amp. No adjustments on amp makes installation very simple. Includes WBAURH Ultra Rear Harness (PART #2120-0900), which allows radio fader to control front/rear levels. System is expandable to easily add additional amplifier for fairing lowers or saddlebag lids.