Go big or go… BIGGER! The Uprock V1S is the biggest, baddest, and loudest of the bumpboxx collection! This unit has four 8” woofers, two 4” tweeters, and 1000 watts of maximum power! Also doubles as a guitar amp and includes a wireless microphone! Blasts music up to 12 hours! #bumpboxx #music #bluetooth #bluetoothspeaker #uprock #boombox #fitness