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.