JBL Boombox 4 Blue delivers massive JBL Pro Sound with deep punchy bass, cleaner details, and a redesigned speaker system built for powerful music anywhere.
With two bigger woofers, two tweeters, three passive radiators, AI Sound Boost, up to 34 hours of playtime with Playtime Boost, and IP68 waterproof and dustproof protection, it is ready for parties, travel, outdoor use, and nonstop listening.
JBL Pro Sound
Massive sound with deep punchy bass and cleaner details.
AI Sound Boost
Real-time sound analysis gives more power with less distortion.
34 Hours Playtime
Up to 28 hours plus 6 extra hours with Playtime Boost.
IP68 Protection
Waterproof and dustproof design handles outdoor conditions.
JBL Pro Sound
Unbeatable JBL Pro Sound with AI Sound Boost
We’re talking massive sound with deep and punchy bass. The redesigned JBL Boombox 4 Blue packs in two bigger woofers, two tweeters, and three passive radiators.
AI Sound Boost analyzes music in real time and adjusts the sound automatically, giving you more power with less distortion even when the volume is turned all the way up.
Playtime and Protection
Up to 34 Hours of Playtime with IP68 Durability
Keep the vibe alive from party to party with up to 28 hours of playtime on a single charge, while JBL Playtime Boost adds up to 6 extra hours.
The JBL Boombox 4 is IP68 waterproof and dustproof, so it can handle changing weather, outdoor moments, beach days, poolside use, and everyday accidents.
Technical Specifications
JBL Boombox 4 Blue Technical Specifications
The JBL Boombox 4 Blue combines JBL Pro Sound, two bigger woofers, two tweeters, three passive radiators, AI Sound Boost, up to 28 hours of playtime, up to 6 extra hours with Playtime Boost, IP68 waterproof and dustproof protection, and a portable design built for powerful outdoor sound.
Brand
JBL
Model
Boombox 4 Blue
Speaker Type
Portable Bluetooth Speaker
Sound Technology
JBL Pro Sound
AI Sound Boost
Supported
Woofers
2 Bigger Woofers
Tweeters
2 Tweeters
Passive Radiators
3 Passive Radiators
Bass Performance
Deep and Punchy Bass
Standard Playtime
Up to 28 Hours
Playtime Boost
Adds Up to 6 Hours
Total Playtime
Up to 34 Hours
Waterproof
IP68
Dustproof
IP68
Color
Blue
Why Choose This Speaker?
Reasons to Choose JBL Boombox 4 Blue
Massive JBL Pro Sound delivers deep bass and clean high volume.
AI Sound Boost improves power and reduces distortion automatically.
Two bigger woofers, two tweeters, and three passive radiators create stronger sound.
Up to 34 hours of total playtime supports long parties and trips.
Playtime Boost adds extra music time when you need it.
IP68 waterproof and dustproof protection is ready for outdoor use.
Portable design suits parties, beach days, poolside use, and travel.
Strong Blue design gives a bold look with practical durability.
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