Designed to be used for renegade dance parties this case packs a ton of power into an easy to carry package. With six woofers, two bullet horn tweeters, and a ten inch passive radiator on the the back. You will be amazed at the amount of sound coming from this battery powered monster. It also has an extra output that can power a subwoofer or another passive renegade case to create the ultimate sound system. See other listings for additions.