Boss Audio - MC400 - 3" 600W Marine/Motorcycle/UTV Amplified Speaker System (Chrome) - Take great music with you on the roads and trails with the Boss Audio MC400 Chrome Weatherproof Motorcycle Sound System. Blast your tunes on your 12V Motorcycle Scooter or ATV with the 600 Watt Max Power Amp and a pair of 3-inch Full Range Speakers. Hook your Smartphone or MP3 Player up to the Auxiliary Input. Turn up the sound with the Wired Remote Volume Control. The MC400 features Weatherproof Speakers to provide protection against the elements.