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. *

Party without limits
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.

General Specifications
Output power (W)
1100W RMS (IEC60268)
Audio Specifications
Dynamic frequency response range (Hz)
2400 MHz – 2483.5 MHz
Dimensions
Dimensions (in)
17.91 x 41.30 x 17.32
Dimensions (cm)
45.5 x 104.9 x 44
Weight (kgs)
39.5
Weight (lbs)
87.10
Control and Connection Specifications
Bluetooth profiles
A2DP V1.3, AVRCP V1.5
Bluetooth frequency
2400 MHz – 2483.5 MHz
Bluetooth transmitted modulation
GFSK, ?/4 DQPSK, 8DPSK
Bluetooth transmitter power
?15dBm (EIRP)
Bluetooth version
5.3