The JBL PartyBox Ultimate fills as much space as you’ve got with superior Original JBL Pro Sound, boosted with an immersive Dolby Atmos experience over Wi-Fi. Because everyone at a party loves powerful sound whether they're showing out on the dance floor or vibing on the sidelines. Along with sound that's crystal clear even at its loudest, your guests will thrill to a huge, breathtaking lightshow of captivating starry lights, cool light trails, and strobe effects, all moving in sync with your beat. Make it simple by streaming your favorite party playlist. Even take the stage, with inputs for two mics and a guitar. No matter how things unfold, you can create your own party flow using the fun interactive effects of the JBL PartyPad. Planning something even bigger Turn your party into a full-on event. Wireless pairing and multi-speaker connection are easy to set up and customize using the JBL One app. The splash-proof JBL PartyBox Ultimate is self-tuning, it's going to sound its best no matter where you set it up. Think of the most supreme party ever and then go bigger. That's what the JBL PartyBox Ultimate was made for.