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.

• All the superior original JBL pro sound you can handle: The JBL PartyBox Ultimate can cover a massive space—we're talking two basketball courts—with superior Original JBL Pro Sound. Featuring two drivers and mid range speaker to deliver louder sound. Dual tweeters and a pair of subwoofers means there's going to be more than enough bass for even the most dedicated fans, while Dolby Atmos* provides immersive 3D spatial effects. This is the kind of thunderous sound you'll not just hear, but feel.
• A multi-dimensional, dynamic lightshow: Lights, color, party! Transform your space into a captivating,full sensory experience with the biggest multi-dimensional lightshow of any party speaker. It's got a unique starry night effect, cool light trails, strobes, and even lights that project onto any surface it's sitting on. All of it syncs to your music and can be easily controlled via the streamlined, user-friendly dials on the top panel or through the JBL One app.
• Wi-Fi and Bluetooth connectivity: Stream high definition music anywhere with the JBL PartyBox Ultimate, including 3D Dolby Atmos over Wi-Fi*. Taking a call or scrolling your feed? Go ahead—it won't interrupt your music. Switch easily to bluetooth and keep enjoying seamless audio experiences whether you're indoors or outside.
• Handle and sturdy wheels: Get the party rolling with wide, sturdy wheels and an easy-to-grip handle that makes this big speaker surprisingly easy to transport. A simple but effective cable management setup makes sure the cords never get in your way
• IPx4 Splashproof: Whether you are partying with friends in your backyard or sipping drinks by the pool, the JBL PartyBox Ultimate is IPX4 splashproof so you never have to worry about the party getting too wet and wild.
• Multi-speaker connection: Want even more roaring original JBL pro sound? Stereo pair two speakers for a wider sound stage. For your biggest events, multiple PartyBoxes can be connected wirelessly.
• Dual Mic & Guitar Inputs: Bring live talent into the mix. It's easy to sing and play along using the guitar and dual mic inputs. With karaoke EQ tuning and the built-in lightshow, everybody's gonna sound—and look—like a superstar.
• JBL PartyPad: No matter how things unfold, you can create your own party flow using the fun interactive effects of the JBL PartyPad, conveniently located on the PartyBox Ultimate's top panel. Three simple fingertip actions—tap, hold, and slide—unleash and remix DJ-quality sound effects that will bring all eyes your way.
• JBL One app: The JBL One app makes it easier than ever to control your music, adjust EQ settings, and customize the colors and patterns of your light show for the perfect party vibe.
• Self tuning: No matter where you are—indoors or outside—the JBL PartyBox Ultimate will automatically tune itself to its surroundings every time you turn it on. So you'll always get the best musical experience possible, wherever the party takes you.