shark SHK5800QQ 600 watt Bluetooth motorcycle boat marine audio system w/ 3.5 speakers + wired/wireless remote+antenna (Black) 2ch 600 watt motorcycle marine audio system bluetooth Easy install. Amplifier has FM radio, USB, SD slot 2 marine waterproof speakers with mirror brackets, FM antenna for reception clean crisp sound for all 12V systems. Great for go-carts, scooters, ATVs everything is waterproof but the amplifier. Wired and wireless remote control