Boss Audio Rebel 600 Watt 2 Speaker Integrated Amplifier Bluetooth Sound System Featuring an integrated amplifier, the Boss Rebel Mc425Ba Speaker System is an ideal choice for compact bike setups where space is limited. Simply attach the speakers to your handlebars, establish power and volume connections, and you're set. You have the option to connect your tunes physically through a 3.5mm audio jack input or effortlessly pair the speakers with your smartphone via a wireless Bluetooth connection. Features: Pair of 3 full range weatherproof speakers Integrated 600 watt max amplifier Wired remote volume control Bluetooth audio streaming 3.5mm aux input Frequency response 20Hz to 20KHz, SN 75dB, Thd: 0.01 Handlebar clamps support 0.75 to 1.25 diameter bars Great for 12V motorcycles, scooters and ATV's