Boss Audio Systems® offer complete audio solutions for your bike with the all-new Stage Kits. The BHD3F is an all-in-one audio system package that includes a 4-channel class D amplifier, amplifier mounting brackets and 6.5" speakers with grilles. The BHD98 and BHD14 saddlebag kits include 6"x 9" rear speaker upgrades which are designed to work perfectly with the BHD3F audio system by simply plugging into the BHD3F amplifier and giving you a complete audio upgrade without the hassle of serious modifications or paint. The included cut-out template makes the cutting painless and installation a breeze. Boss Audio Systems Stage Kits deliver outstanding sound and performance everyone wants at a price you can afford.