JBL POWER SPORT 4 CHANNEL BLUETOOTH SPEAKER SYSTEM WITH AMP (CRUISE-EX)

Weather Resistant 4 Channel Multi-application Blutooth Audio System, Includes 4 Speakers With Micro Amplifier, Built In Bluetooth With Control Knob For Volume, Track Functions & More, RCA Output To Easily Add On To System With Subwoofer Or More Speakers, Versatile Mounting Brackets & Clamps, Built In USB Charging