Get the loudest, most massive JBL Signature Pro Sound on our most powerful portable speaker, the JBL Boombox 2JBL Boombox 2 pumps out powerful, deep bass just like your favorite JBL powered clubPacked with up to 24 hours of battery life, JBL Boombox 2 lets you party all day and all nightMake a Splash with IPX7 waterproof designPartyBoost allows you to link multiple JBL partyboost compatible speakers to pump up the batteryPower up with the built-in powerbank