Take the party anywhere, anytime with the JBL Boombox 4. Bigger, bolder, and more powerful than ever, this portable Bluetooth speaker delivers JBL Pro Sound, deep bass, and IP68 waterproof and dustproof protection, making it perfect for outdoor adventures, beach days, or backyard gatherings.

Powerful JBL Pro Sound with AI Sound Boost

Deep Bass and Crystal-Clear Audio

The Boombox 4 features two woofers, two tweeters, and three passive radiators that deliver rich, immersive sound. AI Sound Boost analyzes your music in real-time, enhancing bass and clarity while minimizing distortion, even at maximum volume.

Adjustable Bass Settings

Switch between deep or vibrant punchy Bass Boost to tailor the sound to your mood. Whether it’s a chill evening or a full-on party, the Boombox 4 keeps your music sounding perfect.

Long-Lasting Battery Life

Up to 34 Hours of Playtime

Thanks to Playtime Boost, enjoy up to 34 hours of music on a single charge. In a hurry? Recharge quickly via the USB-C or AC-in cable, so your party never stops.

Powerbank Functionality

Charge your devices on the go with the built-in powerbank, keeping your phone or tablet ready while the music keeps playing.

Durable and Weather-Resistant

IP68 Waterproof and Dustproof

Designed to withstand rain, splashes, sand, or dust, the Boombox 4 is ready for all your outdoor adventures without missing a beat.

Lightweight and Portable

Despite the larger design, it’s easy to carry wherever you go. Take the energy of the party to the beach, block, or backyard.

Connectivity and Features

• Wireless Bluetooth 5.4 for seamless audio streaming

• JBL PartyBoost for pairing multiple JBL speakers

• Supports Auracast for multi-speaker connection

• AC-in and USB-C charging for flexible power options

Technical Specifications

• Output Power: AC Mode – 2×65W RMS Woofer, 2×40W RMS Tweeter | Battery Mode – 2×60W RMS Woofer, 2×40W RMS Tweeter

• Frequency Response: 37Hz – 20kHz

• Transducers: 2×5″ woofers, 2×0.75″ tweeters, 3 passive radiators

• Battery: Rechargeable Li-ion 99.02Wh, 3 hours charging time

• Max Playtime: 28–34 hours (with Playtime Boost)

• Weight: 3.0 kg

• IP Rating: IP68 Waterproof & Dustproof

What’s in the Box

• JBL Boombox 4

• AC Power Cord (plug type may vary by region)

• Quick Start Guide

• Safety Sheet

• Warranty Card