jbl partybox 520 400w ipx4 splashproof portable party speaker jblpartybox520amThis PartyBox 520 portable speaker from JBL knows how to set the mood with a vibey lightshow and the biggest, boldest, thumping sound yet, powered by the all new AI Sound Boost tech to help get everyone moving and shaking. The sound might be heavy, but this speaker is easy to move, whether youre setting up in the backyard, the pool, or that cool new hangout. Every move is smooth with the grippy handle and wide wheels so its ready to roll when you are.