JBL Boombox 4 Portable Bluetooth 5.4 Waterproof Speaker
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The JBL Boombox 4 is bigger, bolder and more powerful than ever. Powered by signature JBL Pro Sound and AI Sound Boost technology, it analyzes your music in real time and tunes the output for more volume with less distortion — even at max. Two larger woofers, two tweeters and three passive radiators deliver deep bass and crisp highs anywhere you take it.
Up to 34 hours of playtime: 28 hours on a single charge plus 6 extra hours with JBL Playtime Boost. The battery is replaceable, so your speaker keeps playing for years to come.
IP68 protection: fully waterproof and dustproof. Take it to the beach, the pool, the backyard or the cookout without worrying about rain, sand or that one clumsy friend.
Auracast™: pair two Boombox 4 units in stereo for a wider soundstage, or link multiple compatible JBL speakers to spread the same playlist across the whole party.
Two bass modes on the top panel: Deep Bass for that signature low-end rumble and Punchy Bass for a tighter, more energetic hit. Lossless audio playback over USB-C is also supported when connected to a laptop or another compatible source.
- JBL Pro Sound with AI Sound Boost
- 2x 5" woofers, 2 tweeters and 3 passive radiators
- Up to 34 hrs playtime (28 hrs + 6 hrs Playtime Boost)
- IP68 rated waterproof and dustproof
- Auracast™ to link multiple JBL speakers
- Deep Bass and Punchy Bass modes
- Lossless audio over USB-C
- Replaceable battery and Bluetooth 5.4
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Reviews (412)
Jason MillerArrived in 5 days, well packed and without a scratch. The sound is insane, I put it in the backyard and it carried the whole party. Deep Bass mode literally shook the table. Highly recommend!
Ryan FosterI was skeptical because of the price but it came in original and sealed. Took it to the pool and it got soaked, zero issues thanks to the IP68 rating. Battery lasted the entire day.
Brandon ReedReally good product, plenty of power and the sound stays clean even at high volume. Took off one star only because the app takes a moment to pair the first time. Other than that, flawless.
Tyler NguyenUsed it at two cookouts and one beach day. Paired it with a friend's unit over Auracast and got stereo sound across the whole space. Looks great, everyone compliments it. Fast delivery, great job!
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