JBL PartyBox Ultimate
JBL PartyBox Ultimate All the superior Original JBL Pro Sound you can handle - Image

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 subscription to a high definition music service is required in order to listen to immersive music in Dolby Atmos. Please check subscription fees in your region.

JBL PartyBox Ultimate A multi-dimensional, dynamic lightshow - Image

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.

JBL PartyBox Ultimate Wi-Fi and Bluetooth connectivity - Image

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.


JBL PartyBox Ultimate Handle and sturdy wheels - Image

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.

JBL PartyBox Ultimate IPx4 Splashproof - Image

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.

JBL PartyBox Ultimate Multi-speaker connection - Image

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.

JBL PartyBox Ultimate Dual Mic & Guitar Inputs - Image

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 PartyBox Ultimate JBL PartyPad™ - Image

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 PartyBox Ultimate JBL One app - Image

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.

JBL PartyBox Ultimate Self tuning - Image

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.

Specs & Downloads



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
1100W RMS (IEC60268)
Power input
100 – 240 VAC ~50/60Hz
Frequency response
30Hz-20KHz (-6dB)
Signal-to-noise ratio
Cable type
right-angle AC power cable (type varies by regions)
Cable length
2.0 m / 6.6 ft
Supported formats
.mp3, .wma, .wav
2 x 242 mm (9") subwoofer, 2x 120 mm (4.5") mid-range, 2 x 74 mm(2.75") tweeter

Audio Specifications

Dynamic frequency response range (Hz)
2400 MHz – 2483.5 MHz


Dimensions (W x H x D)
455.0 mm x 1049.0 mm x 440.0 mm / 17.91" x 41.30" x 17.32"
Net Weight
39.5 kg / 87.10 lbs

Control and Connection Specifications

USB charge out
5V / 2.1A (max)
USB format
FAT16, FAT32
5G Wi-Fi transmitter frequency range
5.15-5.35GHz, 5.470-5.725GHz, 5.725-5.825GHz
5G Wi-Fi transmitter power
5G Wi-Fi modulation
OFDM (BPSK, QPSK, 16QAM, 64QAM, 256QAM, 1024QAM)
5G Wi-Fi network compatibility
2.4G Wi-Fi transmitter frequency range
2.4G Wi-Fi transmitter power
2.4G Wi-Fi modulation
2.4G Wi-Fi network compatibility
802.11 b/g/n/ax
Bluetooth® version
Bluetooth® profile
A2DP V1.3, AVRCP V1.5
Bluetooth® transmitter frequency range
2400 MHz – 2483.5 MHz
Bluetooth® transmitter power
≤15dBm (EIRP)
Bluetooth® transmitter modulation
250 mVrms (3.5 mm connector)
20 mVrms
100 mVrms
Bluetooth/USB Input
-12 dBFS


Built-in Wi-Fi
IP Code
JBL One App
3.5 mm audio cable Input


* A subscription to a high definition music service is required in order to listen to immersive music in Dolby Atmos. Please check subscription fees in your region.

What's in The Box?

  • 1 x JBL PartyBox Ultimate
  • 1 x right angle AC Power cord (AC Plug varies by Region)
  • 1 x Quick-Start Guide
  • 1 x Safety Sheet & Warranty Card
What's in The Box?

Documents & Downloads

Reviews and Q&A

Customer Reviews

Product Q&A

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