The new Power Box 360 offers premium 360 deg. stereo sound from the 4 speakers and subwoofer. 2 times more sound power than the last generation Power Box. Rubbed rubber/aluminum roll cage offers best in class protection against tough jobsite conditions. Weather-resistant design means you can use it anywhere. Runs off of Bosch 14.4V and 18V Li-ion batteries. Advanced digital tuner has great reception in more places. SD card/USB/auxiliary/line out compatibility for playing your MP3's and WMA files. Charges Bosch 14.4V and 18V Li-ion batteries. Includes 4-way power outlets, 12V DC adapter, powered USB port, and 6" auxiliary cable.