JBL Boombox 3 vs 4: How These Portable Speakers Compare

When the party is pumping, you need battery life that won't quit. This is where the Boombox 3 vs 4 comparison gets serious.

The Boombox 3 gave you an awesome 24 hours of playtime, but the Boombox 4 pushes the limit even further, offering up to 28 hours of juice. Need a true marathon session? Hit the JBL Playtime Boost feature to squeeze out an extra 6 hours when you need it most.

But here’s the game-changer: The Boombox 4 features a replaceable rechargeable battery. When the old one finally gives out years down the track, you don't buy a new speaker — you swap the battery and get right back to 100% juice.

You take your sound everywhere, and we built the Boombox to handle anything. Just like its predecessor, the Boombox 4 is completely dustproof and waterproof. We’re talking a rugged IP68 rating. Rain, sand, or an accidental pool dunk — it doesn’t matter. Your sound is protected, always.

We know bass isn't one-size-fits-all — it's gotta match the mood! The Boombox 4 gives you the pure power to dial in your low-end exactly how you want it. Hit Deep Bass Mode (look for the orange light!) for that chest-thumping, ground-vibrating bass that absolutely dominates any open space. Need something tighter for an indoor dance-off? Switch to Punchy Bass Mode (white light) for a defined, clean low-end that still hits hard. It's your bass, tailor-made for maximum impact.

Audio freedom just got a serious, no-limits upgrade! The Boombox 4 completely crushes the old pairing limits of PartyBoost and jumps into the future with Auracast™, next-gen Bluetooth tech. Why should you care? It means easier pairing, wider range, and rock-solid stability when linking many Auracast™-enabled portable speakers. Suddenly, blasting massive sound at outdoor parties, camping trips, or epic tailgates in Australia is absolutely seamless. Share the sound with everyone around you and let the vibe explode!

We care about the flawless details, too. For those who demand studio-grade quality, the Boombox 4 features USB-C lossless audio playback. Plug directly into your laptop and enjoy pristine, uncompromised sound fidelity — hear every single note exactly as the artist intended. Plus, the JBL Portable app puts the power right in your hands, letting you fine-tune those detailed EQ settings until the audio is precisely perfect for you.

The Boombox 4 is not a replacement; it’s an absolute sonic evolution and this comparison confirms it. The Boombox 4 retains everything you loved about the Boombox 3 — the unstoppable sound, the epic durability, and the bold design — while injecting game-changing upgrades in bass control, battery flexibility, and connectivity. If you demand one of the Bluetooth speakers on the market, the choice is clear. It’s time to push play and make some noise!

If you’re ready to level up your sound, JBL Boombox 4 is waiting at the JBL Australia Official Store.

All product details verified on JBL.com.au as of November 2025.