JBL Boombox 4 - Most Powerful Portable Waterproof Speaker with Massive Pro Sound, Up to 34 Hours of Playtime, & Multi-Speaker Connection by Auracast™ (Black)









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Features
- Unbeatable JBL Pro Sound with AI Sound Boost: Were talking massive sound with deep and punchy bass. The redesigned JBL Boombox 4 packs in two bigger woofers, two tweeters and three passive radiators, so every track hits harder and sounds cleaner. And with AI Sound Boost, we dont have to lift a fingerthis smart tech 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.
- Up to 34 hours of playtime: Keep the vibe alive from party to party... to party, for up to 28 hours on a single charge. Forgot to charge up for the next one? Its all good. JBL Playtime Boost adds up to 6 hours of extra popping, locking, sliding, or whatever moves you got left in that bag.
- Waterproof and dustproof: The JBL Boombox 4 is IP68 waterproof and dustproof, so it can handle whatever the weatheror our clumsiest friendsthrow at it.
- Multi-speaker connection by Auracast: Wouldn't it be great to share the whole mood with the whole crew? With Auracast, effortlessly stereo pair two Boombox 4 speakers for a wider sound stage or connect multiple Auracast-enabled JBL speakers to cover more ground with the same playlist.
- Two Bass Boost settings to match our vibe: When it comes to bass, we like having options. Fire up the JBL Boombox 4 and youll get that classic JBL signature bass we all love. Want to take it deeper? Hit the Bass Boost button on the top panelthe JBL Horn mark glows orange, and boom, youre in Deep Bass mode, where those two woofers and three passive radiators go all in. Want something tighter and more energetic? Tap the button twice, the Horn mark turns white, and youre in Punchy Bass mode. Whatever the mood, weve got the bass to match.
- Bigger and louder, but lighter: The JBL Boombox 4 sounds bigger and better than everbut heres the real win: we redesigned it to be lighter than before. So now its way easier to set the tone wherever we go.
- Lossless audio playback: Want to hear every detail? Plug into your laptop or other audio device using the Boombox 4s USB-C port* to enjoy lossless audio playback. It's perfect for real audio fans who want more from their music. Just make sure your source offers lossless audio. *Requires compatible lossless audio content from supported apps or services.
- Recycled plastic and fabric, plus FSC certified paper packaging: The JBL Boombox 4 incorporates post-consumer recycled plastic and recycled fabric for the speaker grille. It's also packaged in FSC-certified paper printed with soy ink.
- Replaceable battery**: "Want even more life out of your speaker? Replace the rechargeable battery in three simple steps, and your JBL Boombox 4 will be back at full power. **Replaceable battery sold separately"
Description
"We turn it up our way—anywhere. The all-new JBL Boombox 4 is bigger, bolder, and better than ever, with powerful JBL Pro Sound 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."
Brand: JBL
Speaker Maximum Output Power: 65 Watts
Connectivity Technology: Bluetooth
Mounting Type: Floor Standing
Model Name: JBL Boombox 4
Speaker Type: Portable Speaker
Included Components: AC power cord (AC plug and quantity varies by region), JBL Boombox 4, Quick Start Guide, Safety Sheet, Warranty Card
Product Dimensions: 8.4"D x 19.9"W x 10.4"H
Item Weight: 13 Pounds
Number of Items: 1
Woofer Diameter: 123 Millimeters
Tweeter Diameter: 20 Millimeters
Water Resistance Level: Waterproof
Number of Batteries: 1 Lithium Polymer batteries required.
Audio Driver Type: Dynamic Driver
UPC: 050036413220
Bluetooth Version: 5.4
Global Trade Identification Number:
Manufacturer: JBL
Item Weight: 13 pounds
Item model number: JBLBOOMBOX4BLKAM
Batteries: 1 Lithium Polymer batteries required.
Date First Available: September 3, 2025
Frequently asked questions
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