JBL Boombox 4 Bluetooth Speaker IP67 Blue - JB.JBLBOOMBOX4BLUEP

JBL Boombox 4 Portable Bluetooth Speaker — Blue | JBL Pro Sound | AI Sound Boost | Dual Bass Boost Modes | IP68 Waterproof & Dustproof | Up to 34 Hours Playtime | User-Replaceable Battery | Glowing Bass Logos

The JBL Boombox 4 in Blue is the most powerful portable speaker in JBL's entire wireless range — a heavyweight, take-it-anywhere sound machine that delivers monstrous JBL Pro Sound with deep, thumping bass and room-filling energy at every volume, redesigned to be bigger, bolder and significantly better than its predecessor while actually being lighter and easier to carry. At the heart of the Boombox 4 is a completely revamped audio architecture built around two larger woofers, two tweeters and three passive radiators — a configuration that adds a third passive radiator and replaces the previous subwoofer setup with two new mid-range drivers for more balanced, more detailed and more powerful sound reproduction across the entire frequency spectrum. The result is sound that hits harder and stays cleaner than any Boombox before it — booming, controlled lows, refined and present mids and clean, crisp highs that fill any space with energy whether you are at the beach, in the backyard or at the centre of a party. The Blue colourway gives the Boombox 4 a bold, fresh and distinctive look that stands apart from the conventional all-black portable speaker aesthetic.

The AI Sound Boost technology is one of the defining features of the Boombox 4 — an intelligent audio enhancement system that analyses your music in real time and continuously adjusts the sound to push the drivers harder and louder while actively minimising distortion, even when the volume is turned all the way up. This means that the Boombox 4 maintains the clean, clear, refined character of JBL Pro Sound at maximum volume in a way that conventional speakers simply cannot — delivering more power with less distortion as an automatic, always-on benefit that requires no manual adjustment or configuration. The revamped Bass Boost feature gives you two distinct bass modes to match your music and your mood: Deep Bass mode for full, rich, immersive low-end performance, and Punchy Bass mode for tighter, more energetic and more rhythmic bass response suited to upbeat tracks. When Bass Boost is active, the iconic JBL logos on the bass radiators glow white or orange — letting you both hear and see the bass for a striking piece of visual feedback that turns the speaker into a centrepiece of any gathering.

The Boombox 4 is built to go wherever the party goes, with IP68 waterproof and dustproof certification that makes it genuinely ready for the pool, the beach, the park or any outdoor environment where weather, water and dust would put a lesser speaker at risk. The robust, redesigned build features a sturdier foot for greater stability on uneven surfaces, and despite its substantial power output the Boombox 4 is nearly one kilogram lighter than its predecessor — making it significantly easier to carry, pack and transport without sacrificing any of the sound quality or power that defines the Boombox name. The carry handle integrated into the design makes one-handed transport genuinely practical even for a speaker of this scale and capability.

Battery performance is among the best in the portable speaker category — delivering up to 28 hours of standard playback on a single charge, extending to a full 34 hours when JBL Playtime Boost is activated, which intelligently optimises power consumption to add up to 6 hours of additional playtime for the longest sessions. In a genuinely significant and consumer-friendly design decision, the Boombox 4's battery is user-replaceable in three simple steps — meaning that when the battery eventually reaches the end of its useful life after years of use, you can replace it yourself and restore the speaker to full power rather than replacing the entire unit, dramatically extending the practical lifespan of the product and reducing electronic waste. The Boombox 4 also incorporates post-consumer recycled plastic and recycled fabric in the speaker grille as part of JBL's commitment to more sustainable product construction. Built to bring people together, the JBL Boombox 4 is the ultimate portable party speaker for anyone who refuses to compromise on power, sound quality or durability.