Hogtunes 450 Big Ultra Stereo Upgrade Kit For Harley Touring Features This kit is complete with both the front and rear speakers with a 200 watt four-channel amp The GEN 3 front and rear speakers are 5.25 in diameter Amp is REV 450-Aa 200 Watt and has four channels Wire harness is 100 plug-n-play Amp is mounted above the radio with the included custom arms which allows a secure mount Everything required to complete the installation is included Kit supports quick-detach tour paks 3-year warranty on the amplifier 20-year warranty on the speakers Note: Not compatible with CVO models with factory amplifiers installed.