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JBL Boombox 3 Waterproof Portable Bluetooth Speaker with gSport Carbon Fiber Case (Black)

Regular price $399.95
Sale price $399.95 Regular price
$499.95 Save $100.00 (20%)

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JBL Boombox 3 Bundle with gSport Case and Accessory Pouch Overview

Product Information

Model: GSPORT-BOOMBOX3-BLACK | UPC: 880632500396


What's In The Box

Product Information

Model: GSPORT-BOOMBOX3-BLACK | UPC: 880632500396

Massive Sound. All Day Long.

JBL just made JBL's most powerful portable Bluetooth speaker even better. The iconic silhouette of the JBL Boombox 3 has a bold new update featuring a sturdy metal handle with silicone grips, twin sidecaps, and waterproof and dustproof signature fabric. It’s been redesigned inside too, added with a new subwoofer unleashing much deeper bass and massive JBL Original Pro Sound, all with lower distortion. And 24 hours of playtime takes you all the way from your morning workout to a late-night hang with your friends. And for sound that’s practically limitless, instantly connect multiple speakers with the JBL Portable app.


  • Massive sound and deepest bass
  • Carbon Fiber Carrying Case Included
  • 24 hours of playtime
  • IP67 dust and waterproof
  • Strong, bold design
  • Wireless Bluetooth streaming
  • Crank up the fun with PartyBoost
  • JBL Portable app
  • Eco-friendly packaging

Massive Sound and Deepest Bass

Enjoy your music with massive JBL Original Pro Sound. The new 3-way speakers deliver higher sensitivity of JBL's acoustic design sharpens clarity while lowering distortion for monstrous bass and a rich audio spectrum—no matter how high you turn up the volume.

24 Hours of Playtime

Celebrate every moment with the sounds you love. From your early morning workout to a late-night hang with friends, JBL has added 24 hours of battery life to keep you in your element all day.

IP67 Dust and Waterproof

To the pool. To the park. The JBL Boombox 3 is IP67 dustproof and waterproof so that you can bring your speaker anywhere, rain or shine.

gSport Carbon Fiber Carrying Case

The included gSport Carbon Fiber Hard-Shell Carrying Case comes with carrying strap and accessory pouch to protect your Boombox 3 and its accessories no matter how rugged your next adventure is.

Strong, Bold Design

JBL has updated the sleek, iconic JBL silhouette. With twin sidecaps and a sturdy metal handle with an eye-catching orange silicone grip, you can take your music—and your style—anywhere.

Wireless Bluetooth Streaming

Your playlist or mine? Wirelessly connect up to two smartphones or tablets to the speaker and take turns sharing your favorite sounds.

Crank Up the Fun with PartyBoost

PartyBoost allows you to pair two JBL PartyBoost-compatible speakers together for stereo sound or link multiple JBL PartyBoost-compatible speakers together for endless audio possibilities.

JBL Portable App

Download the JBL Portable app to get the most out of your Boombox 3. Customize settings, unlock features, and get real-time updates so you can always listen to your music—your way.

Eco-Friendly Packaging

JBL is committed to more sustainable, earth-friendly packaging. That’s why the Boombox 3 comes in a recyclable paper-based box, including the inner tray, with an exterior printed with soy ink.


  • General
    • Model No: JBL Boombox 3
    • Transducers
      • (1x)189 x 114mm Subwoofer
      • (2x) 80.9 x 80.9mm Midrange/2 x 2.75 inch
      • (2x) 20mm Tweeter/2 x 0.75 inch
    • Output power
      • (1x) 80W RMS-subwoofer + 2 x 40W RMS-midrange + 2 x 10W RMS-tweeter (AC mode)
      • (1x) 60W RMS-subwoofer + 2 x 30W RMS-midrange + 2 x 8W RMS-tweeter (Battery mode)
    • Power input: 100-240Vac; 50/60Hz
    • Frequency response: 40Hz – 20kHz
    • Signal-to-noise ratio: >80dB
    • Battery type: Li-ion polymer 72.6Wh (equivalent to 7.26V/10,000mAh)
    • Battery charge time: 6.5 hours
    • Music play time: up to 24 hours (dependent on volume level and audio content)
    • Connection ports: AC-in, USB-A, Aux-in
    • Cable type: AC Power Cable
    • Cable length: 2000mm/78.7"
  • USB Specification
    • USB charge out: 5V/2A (maximum)
  • Wireless Specification
    • Bluetooth® version: 5.3
    • Bluetooth® profile: A2DP 1.3, AVRCP 1.6
    • Bluetooth® transmitter frequency range: 2.402GHz – 2.480GHz
    • Bluetooth® transmitter power: ≤ 9dBm (EIRP)
    • Bluetooth® transmitter modulation: GFSK, π/4 DQPSK, 8DPSK
  • Product Dimensions
    • Dimensions (W x H x D): 19.0” x 10.1” x 7.9"
    • Net Weight: 14.7 lbs

What's In The Box

  • Boombox 3 Waterproof Portable Bluetooth Speaker with gSport Carbon Fiber Case
  • gSport Carbon Fiber Hardshell Case
  • AC Power Cord (AC plug and quantity varies by region)
  • Quick Start Guide
  • Safety Sheet
  • Warranty Card
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