JBL's PartyBox Ultimate 2 delivers 1,500 watts of sound and a built-in light showT2Covered by 1 source · first reported by Engadget at 06 Oct, 13:22 UTCJBL has just released its most powerful and expensive PartyBox speaker.releasesSourcesT2JBL's PartyBox Ultimate 2 delivers 1,500 watts of sound and a built-in light showEngadget06 Oct, 13:22