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JBL Xtreme 4 Portable Waterproof Speaker - Black
The JBL Xtreme 4 portable waterproof speaker delivers next-level massive JBL Pro Sound with amazing dynamics, even at top volume, thanks to two powerful woofers and two tweeters. Dual pumping JBL passive radiators give you deeper bass that moves you. Want to take your music outside? The handy shoulder strap makes it easy, while the rugged rubber bumpers and IP67 waterproof and dustproof rating mean that a sudden downpour or a dunk in the lake won't stop the fun. When it's time to create an even bigger audio experience, pair two Xtreme 4s for stereo sound. Or for your next party, use Auracast to connect the Xtreme 4 with any compatible JBL portable speakers, so your friends lounging poolside will vibe to the same playlist as the ones chatting indoors. 24 hours of playtime and a convenient power bank for your device mean you won't have to recharge until morning. All this, plus it's made with recycled plastic and recycled fabric. The JBL Xtreme 4 brings thrilling sound with you—everywhere.
Next-Level Massive JBL Pro Sound
With two powerful woofers, two tweeters, and dual pumping passive radiators, the Xtreme 4 delivers dynamic, immersive audio and deeper bass—even at high volumes.
Up to 24 Hours Playtime + Playtime Boost
Enjoy nonstop music all day. Activate Playtime Boost mode to extend playback for up to 6 additional hours at optimized performance.
Built-In Powerbank & Replaceable Battery
Charge your phone or devices on the go with the built-in powerbank. The battery is also replaceable (battery sold separately).
Waterproof & Dustproof (IP67)
Designed for rugged use, the Xtreme 4 is both waterproof and dustproof—ideal for poolside, beach, or outdoor adventures.
Multi-Speaker Connection via Auracast
Pair two Xtreme 4 units for true stereo sound. Or link with other Auracast-compatible JBL speakers for synchronized audio across multiple zones.
AI Sound Boost
Intelligently optimizes the sound in real time—analyzes the incoming audio, predicts driver behavior, and enhances loudness with minimal distortion.
Durable & Portable Design
Includes a shoulder strap for easy carrying. Rubber bumpers and rugged construction protect it from impacts.
Eco-Friendly Materials
Partially built using recycled plastics and fabrics; packaging is made from FSC-certified paper and printed with soy-based ink.
Technical Specifications (Highlights)
Rated Output (AC mode): 2 × 30W RMS (woofer) + 2 × 20W RMS (tweeter)
Rated Output (Battery mode): 2 × 20W RMS + 2 × 15W RMS
Frequency Response: 44 Hz – 20 kHz
Bluetooth Version: 5.3
Battery: Li-ion polymer, 68 Wh (˜ 9444 mAh)
Charging Time: ~3.5 hours
What’s in the Box
1 × JBL Xtreme 4
1 × PD adaptor (plug type varies by region)
1 × Quick Start Guide
1 × Warranty Card / Safety Sheet
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