The SoundExtreme SEB 26" has all the features of the original. Now with Long lasting Lithium Ion battery pack. Easy install, no longer need to connect to the 12v battery source. The powersports sound bar and LED lighting system is perfect for your ATV/UTV, boat, and golf cart. 100% waterproof, dustproof, and dirtproof. 500 watts of power to 8 marine grade speakers provides a great listening experience. With our EcoCast feature connect up to 50 Sound Extremes at a time! Patent Pending.