BL XTREME 4: Unleash Massive, All-Day Pro Sound—Anywhere.

JBL Xtreme 4 Portable Waterproof Bluetooth Speaker | Massive JBL Pro Sound, IP67, 24-Hour Battery

Stop settling for background music. The JBL Xtreme 4 Portable Waterproof Speaker is engineered to be the heart of your party, delivering the next level of massive JBL Pro Sound that truly moves you. Experience breathtaking audio dynamics, even at maximum volume, thanks to dual powerful woofers, two tweeters, and signature JBL passive radiators for deeper, punchier bass.

Key Features that Elevate Your Sound:

•  AI Sound Boost: Get the absolute most out of every beat. This smart technology analyzes the incoming audio signal in real-time, optimizing the driver’s power response to deliver louder, clearer sound with reduced distortion, even when pushed to the limit.
•  Epic 24-Hour Playtime (Plus Playtime Boost): Your party won’t quit until you do. Enjoy up to 24 hours of non-stop music, or tap the Playtime Boost function to extend your soundtrack by up to six extra hours, perfect for those marathon sessions.
•  Adventure-Proof Durability (IP67): From poolside splashes to sandy trails, the Xtreme 4 is built for the wild. Its rugged design boasts an IP67 waterproof and dustproof rating, meaning it can handle a dunk in the water or a dusty desert trek without missing a beat.
•  Limitless Party Power with Auracast™: Tired of limited speaker connections? Use Auracast™ to effortlessly link your Xtreme 4 with any compatible JBL portable speakers to create a huge, multi-speaker sound system that spans your entire location.
• Built-in Powerbank & Replaceable Battery: Keep the music and your devices going! The convenient built-in power bank charges your phone, and the newly designed replaceable battery (sold separately) ensures this speaker is a long-term investment for years of extreme sound.

Take the incredible power of JBL Pro Sound with you. Simply sling the convenient shoulder strap over your shoulder (it even has a built-in bottle opener!) and turn every location—from your backyard to the beach—into a booming concert venue.