Product Description
Unrivaled JBL Pro Sound with AI Sound Boost
Big sound with deep and powerful bass. The updated JBL Boombox 4 features two larger woofers, two tweeters, and three passive radiators for powerful and clear music. AI Sound Boost analyzes the music in real time and adjusts the sound for more power with less distortion, even when you turn the volume all the way up.
A maximum playback time of up to 34 hours
Ensure good vibes, at every party, for up to 28 hours on a single charge. Forgot to charge it? No problem. JBL Playtime Boost gives you up to 6 hours of extra playtime.
Water-resistant and dustproof
The JBL Boombox 4 is IP68 water-resistant and dustproof, so it can withstand all weather conditions and take a tumble.
Connecting multiple speakers to Auracast™
More powerful and louder, but lighter
Recycled plastic and fabric, plus packaging material made of FSC-certified paper
Two Bass Boost settings that enhance the atmosphere
Lossless audio playback
Replaceable battery**