Hogtunes Quadcast 300 Watt Speaker And Amp Kit For Harley Touring The ideal upgrade for your stock radio to give it the boost it needs. The kit is simple and effortless to install. Get out on the road and be heard. Features: Includes QC 475-Rm Quadcast 300 Watt 4 channel Amplifier with G4 front and rear speakers Kit fits FLH (Batwing) and Fltr Road Glide model bikes No radio re-flash is required Reflash not required, but recommended by Hogtunes Cast aluminum 3D design gives exceptional thermal performance in high heat climates Features proprietary R.e.m.i.t. circuitry which gives superb FM reception from a class D amp Supplied G4 front and rear speakers are direct replacements for stock speakers Unlike car audio-based systems, the radios fader control will continue to work Includes metal mesh grill for all 4 speakers Includes 100 plug and play wire harness Very nice improvement over stock with minimal strain on the bikes charging system All required hardware to complete the installation is in the box Amp can easily link to Hogtunes REV 225-Rm to add lower speakers or saddlebag lids later on 3 Year warranty on amplifier 20 Year warranty on speakers