Stream any audio wirelessly from any Bluetooth device. Connects up to 100 feet or use auxiliary connection. Loudest volume, lowest distortion. Two high definition mid-woofers maximize clarity at loudest volumes. Two high range tweeters drive high range of treble. Two passive radiators maximize clarity and volume of bass. 40 Watt digital amplifier delivers stereo quality sound. Heavy duty construction. Water and dust protection. Impact resistant roll Cage. Reinforced side caps and grill enhances impact resistance. Powered by Milwaukee M18/M12 batteries or AC outlet. USB power outlet quickly charges electronic devices in both AC and DC mode. Weighs 5.3 lbs. Dimensions: 7.5"L x 13.75"W x 6.5"H.