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Just looked up the demer box right now and it is nothing like the demer box it is more compact and I'm almost positive has more sound output and longer battery life. Mike this is the baddest speaker I've ever owned That's portable.
Sorry, there was a problem. Please try again later.Hello Mike! The Hyperboom is the biggest & loudest speaker of the Ultimate Ears lineup yet. Delivering truly epic sound with extreme bass and adaptive EQ, HYPERBOOM brings the party. It has three times the loudness and over six times the bass of MEGABOOM 3. It has a splash-proof IPX4 rating. If you spill, splash, or get a little crazy, just wipe it off and you’re good to go. You can also connect it with any BOOM, MEGABOOM, or even another HYPERBOOM to reach noise-violation levels of fun.
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