Perfect solution for countless setup challenges, from events in remote locations, to DJ gigs that require fast setup and teardown, to the dreaded venue with questionable power Swappable, rechargeable battery delivers 10 hours of high-output playtime Pair smartphone or computer to Thrash212 GO via Bluetooth, set up anywhere need 12' high-performance woofer 1' Titanium compression driver Mackie Thrash212 GO 12' Battery-Powered Loudspeaker With Bluetooth