The OPTIMC80 weatherproof speaker system is what you need to listen to high-quality auto on your motorcycle, ATV, or snowmobile. It comes with a pair of 3” bullet-style 350-watt weatherproof speakers and a 700-watt, two-channel amplifier for complete immersion in your music. Plug your MP3 player or iPod into the included 3.5mm jack to listen to your favorite music on this stylish system. Or, scan through radio stations with the FM radio. Charge your MP3 player with the satellite USB plug (USB for charging only). Easy handlebar mounting brackets and accessories are included to make installation a quick process. Now you can listen to music on the go, anywhere -thanks to Pyle’s Cycle Series speakers and amplifiers.