Pro Armor® Bluetooth® Sound Bars. The 4 speaker sound bar is designed for easy installation to have you rocking or rolling in no time. These powered self-contained units feature midrange/midbass driver speakers two dedicated tweeters and integrated amplifiers. You can play music directly from your device using either the provided 3.5mm wired input or through the integrated Bluetooth® connection. Large buttons allow you to control the unit while on the go even with thick riding gloves. These work great as a stand-alone audio solution or you can make it part of a larger full-sound experience by adding audio pods and more. Durable extruded aluminum housing finished in black will provide years of trouble free sound.