Skip to product information
1 of 22

JBL PartyBox Stage 320 Portable Party Speaker with gSport Cargo Sleeve

Regular price $499.95
Sale price $499.95 Regular price
$599.95 Save $100.00 (17%)

Limited time offer! Sale ends 8/4/2024.
In Stock & Ready to Ship
Free Shipping Get it between Thu, Jul 25 – Thu, Aug 1

Need advice?

Consult with a system designer from our showroom.

Call: 1.866.961.7781 Chat Live

JBL PartyBox Stage 320 with gSport Cargo Sleeve Overview

Product Information

Model: GSPORT-PBS320-CS | UPC: 880322474822


What's In The Box

Product Information

Model: GSPORT-PBS320-CS | UPC: 880322474822

Bring Your Party Anywhere

With the JBL PartyBox Stage 320, you can get the party started anytime, anywhere. Transform any space, inside or outdoors, into a dance floor. Powerful JBL Pro Sound and big thumping bass fill a wide soundstage and get the crowd moving, while their eyes are delighted by an adaptive lightshow of swirling starry lights, cool light trails, and amazing strobe effects synced to your beat. Use the mic and guitar inputs to show off your stage presence. You can steer the party’s flow throughout the night with fun interactive party effects. The solid telescopic handle and wide, sturdy wheels mean you can roll the JBL PartyBox Stage 320 just about anywhere, and once you’re there, the splash-proof construction means a little rain won’t ruin the fun. Best of all, it delivers up to 18 hours of playtime—and if the good times are still rolling, just swap out the replaceable battery and keep going. For an even bigger party, it’s easy to connect or use the JBL PartyBox app to connect multiple JBL Auracast-enabled speakers wirelessly. Bring people together and elevate the experience with the JBL PartyBox Stage 320.


  • Futuristic lightshow
  • Up to 18 hours of play time
  • Telescopic handle and wide, sturdy wheels
  • Splash proof
  • AI Sound Boost
  • Multi-speaker connection by Auracast™
  • Dual Mic & Guitar Inputs
  • JBL PartyBox App
  • Made in part with recycled materials

Powerful JBL Pro Sound

Rock out with powerful JBL Pro Sound from two 6.5” woofers that deliver clean, precise, deep bass even at top volume and a pair of 25mm dome tweeters that produce crystal clear highs. Indoors or out, you can fill a space the size of a tennis court with music.

Futuristic Lightshow

Take all that sound and add a thrilling lightshow featuring starry lights, cool light trails, and strobe light effects—all synced to your beat.

Up To 18 Hours of Play Time

Party from dusk till dawn with up to 18 hours of play time on a single charge. And if that’s not enough, just swap out the replaceable battery* and keep on dancing. Or if you just need an extra boost, 10 minutes fast charge gets you an extra 2 hours of playtime.

Telescopic Handle and Wide, Sturdy Wheels

Roll up to the party with wide, sturdy wheels and an easy-to-grip handle that telescopes up when you need it and down when you don’t.

Splash Proof

Whether you’re partying with friends in the park or by the seaside, the JBL PartyBox Stage 320 is IPX4 splashproof, means a little rain won’t stop the fun.

AI Sound Boost

Get the most out of your speaker. AI Sound Boost analyzes the incoming signal in real time while simultaneously using an AI algorithm to predict loudspeaker movement and power response. It pushes the driver to its maximum capability, fully exploiting the dynamic range for better and more powerful sound. It also reduces distortion even at high volume, maximizing the bass output and overall loudness.

Multi-Speaker Connection by Auracast™

Want even more roaring Original JBL Pro Sound? Stereo pair two speakers for a wider sound stage. For your biggest events, multiple JBL Auracast-enabled PartyBoxes can be connected wirelessly using Auracast™.

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.

gSport Cargo Sleeve

The included gSport Cargo Sleeve protects your PartyBox Stage 320 while adding extra storage for accessories, water bottles, and more!

JBL PartyBox App

The JBL PartyBox app makes it easier than ever to add interactive party effects, control your music, adjust EQ settings, and customize the colors and patterns of your light show for the perfect party vibe.

Made In Part with Recycled Materials

The JBL PartyBox Stage 320 incorporates post-consumer recycled plastic. It’s also packaged in FSC certified paper printed with soy ink.

* Replaceable battery sold separately


  • Transducers
    • 2 x 6.5 inch (165mm) woofers
    • 2 x 1 inch (25mm) Dome tweeters
  • Output power: 240W RMS (IEC60268)
  • Power input: 100 - 240V ~ 50/60 Hz
  • Frequency response: 40Hz - 20kHz (-6dB)
  • Signal-to-noise ratio: > 80dB
  • Battery type: JBL BATTERY400, Li-ion 68Wh (equivalent to 7.2V/ 9444mAh)
  • Battery charge time: 3 hours (Speaker off mode)
  • Music play time: up to 18 hours (varies by volume level and audio content)
  • Cable type: AC power cable (type varies by regions)
  • Cable length: 2.0m / 6.6 ft
  • USB charge out: 5V / 2.1 A (Max) (Speaker off mode)
  • USB format: FAT16, FAT32
  • Bluetooth® version: 5.4
  • Bluetooth® profile: A2DP V1.4, AVRCP V1.6
  • Bluetooth® transmitter frequency range: 2.4 GHz - 2.4835 GHz
  • Bluetooth® transmitter power: ≤ 18 dBm (EIRP)
  • Bluetooth® transmitter modulation: GFSK, π/4 DQPSK, 8DPSK
  • Supported formats: .MP3, .WAV, .WMA, .FLAC 
  • Input Sensitivity
    • Aux-In: 250 mV RMS (3.5mm connector)
    • Mic-In: 20 mV RMS
    • Guitar-In: 100 mV RMS
    • Bluetooth/USB input: -12dBFS
  • Product dimensions (W x H x D): 13.19” x 26.34” x 15.16”
  • Net weight: 36.38 lbs

What's In The Box

  • PartyBox Stage 320 Portable Party Speaker with gSport Cargo Sleeve
  • gSport Cargo Sleeve
  • Quick Start Guide
  • Safety Instructions
  • Warranty Card
  • AC Power Cord
Expert Review

Explore Packaged Solutions


You may also like

Recently Viewed