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JBL Boombox 4

Photos - Portable Speaker JBL Boombox 4
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from £345.99 up to £544.02 
$449.95
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JBL Boombox 4
USBpowerfulBass BoostPower BankBluetooth v5.4synchronization (TWS)multipointlong battery life
Colour
Connection
Sources and mediaBluetooth v5.4
USB
Acoustic characteristics
Number of channels2.0 (stereo)
Lines2
Signal-to-noise ratio80 dB
Passive emitter
Output power210 W
Frequency range37 – 20000 Hz
Speaker synchronizationJBL PartyBoost
FeaturesMultipoint
Bass Boost
mobile app
lighting effects
More featureshandle / strap
Battery
Battery capacity4584 mAh / at 21.6 H /
Battery life34 h
Charging time3 h
Power bank mode
General
WaterproofIP68
Materialplastic
Size (HxWxD)263x506x213 mm
Weight5890 g
Official Websitejbl.com
Added to E-CatalogSeptember 2025
P/N
JBLBOOMBOX4BLK

JBLBOOMBOX4BLU

JBLBOOMBOX4SQUAD

Proprietary sound enhancement technology with AI - AI Sound Boost. High power, excellent battery life, PowerBank function.
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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JBL Boombox 4 Portable Bluetooth Speaker JBL Pro Sound AI Sound Boost Waterproof and Dustproof IP68 Up to 34 Hours of Playti

Amazon.co.uk
Delivery: in United Kingdom
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£345.99
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JBL Boombox 4 Squad JBLBOOMBOX4SQUADUK

We turn it up our way—anywhere. The all-new JBL Boombox 4 is bigger, bolder, and better than ever, with powerful JBL Pro Soun... mored that stays loud and clear, with deep thumping bass. AI Sound Boost analyzes our music in real time and adjusts the sound to give us more power with less distortion, even when we turn it all the way up. It packs two bigger woofers, two tweeters and three passive radiators, so every track hits harder and sounds cleaner. When we want to fine-tune the vibe, we just switch between deep or vibrant punchy Bass Boost settings to match our mood. We gave the classic Boombox design a fresh upgrade—it’s larger but lighter, so we can take it wherever the party goes: the beach, the block, or the backyard. It’s IP68 waterproof and dustproof, so weather’s never a dealbreaker. And, with up to 34 hours of playtime (thanks, Playtime Boost), we’re set for the long haul. With the JBL Boombox 4, we carry the mood and the energy, everywhere we go.
Official partner JBL
Jbl.com
Delivery: in United Kingdom
Report
£345.99
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JBL Boombox 4 Portable Bluetooth Speaker JBL Pro Sound with AI Sound Boost IP68 Waterproof/Dustproof Up to 34H Playtime Aura

Amazon.co.uk
Delivery: in United Kingdom
Report
£389.00
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JBL Boombox 4 Portable Wireless Bluetooth Speaker - Black, Black

Take your tunes anywhere with the JBL Boombox 4 and blast them loud and proud with JBL Pro Sound. Two woofers, two drivers, a... morend three passive radiators turn any space into a party zone. With AI Sound Boost, your music sounds better than ever, adapting in real-time to match the vibe. It maxes out the bass for each track without any distortion. Plus, you can connect up to two Boombox 4 speakers with Auracast and get the music pumping. Good to know - You get up to 28 hours of use on a single charge, so you can keep the party going - JBL Playtime Boost squeezes an extra six hours out of the battery when you're really in a pinch - It supports lossless audio, so you can enjoy your
Currys.co.uk
Delivery: to United Kingdom
Report
£399.00
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JBL Boombox 4 Black JBLBOOMBOX4BLKUK

We turn it up our way—anywhere. The all-new JBL Boombox 4 is bigger, bolder, and better than ever, with powerful JBL Pro Soun... mored that stays loud and clear, with deep thumping bass. AI Sound Boost analyzes our music in real time and adjusts the sound to give us more power with less distortion, even when we turn it all the way up. It packs two bigger woofers, two tweeters and three passive radiators, so every track hits harder and sounds cleaner. When we want to fine-tune the vibe, we just switch between deep or vibrant punchy Bass Boost settings to match our mood. We gave the classic Boombox design a fresh upgrade—it’s larger but lighter, so we can take it wherever the party goes: the beach, the block, or the backyard. It’s IP68 waterproof and dustproof, so weather’s never a dealbreaker. And, with up to 34 hours of playtime (thanks, Playtime Boost), we’re set for the long haul. With the JBL Boombox 4, we carry the mood and the energy, everywhere we go.
Official partner JBL
Jbl.com
Delivery: in United Kingdom
Report
£399.99
Buy in shop
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Portable Speaker JBL Boombox 4