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The JBL Boombox 4 is a large portable Bluetooth speaker built for loud outdoor sound. It pairs two woofers, two tweeters and three passive radiators with 210W of amplification and AI Sound Boost, which adjusts the output in real time to limit distortion at high volume. It is rated IP68 for dust and water, doubles as a power bank over USB-C, and links two units in True Wireless Stereo. Against the Boombox 3 it is lighter and rated for longer playtime, but it has no Wi-Fi, no app EQ and no AirPlay, so it is a Bluetooth-only speaker. It suits people who want big bass outdoors and are willing to carry a 20-inch, roughly 13-pound box.
In stockSold by World Wide Stereo (Authorized)Returns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
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Availability unknownSold by electronic_express (99.7% positive, 252,600 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
Availability unknownSold by castlerp8 (99.8% positive, 2,900 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
Availability unknownSold by fasttraxtransactions (99.2% positive, 14,100 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
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Lowest price we've seen: $429.95 on Nov 8 at The Home Depot. Tracked across 7 stores since Nov 8.
Owners rate the Boombox 4 highly and mostly praise its volume, bass and battery life. Common complaints are its size and weight and the lack of app-based sound tuning.
The JBL Boombox 4 delivers powerful JBL Pro Sound with deep, thumping bass, making it perfect for any occasion. AI Sound Boost analyzes music in real time, adjusting the sound for more power and less distortion, even at high volumes. Featuring two woofers, two tweeters, and three passive radiators, every track sounds clean and impactful. With up to 34 hours of playtime and an IP68 waterproof and dustproof rating, this speaker is built for adventure. Its redesigned, lighter form factor makes it easy to carry, ensuring your music goes wherever you do.
