Description
JBL Xtreme 4 overview
The JBL Xtreme 4 delivers massive JBL Pro Sound with two woofers, two powerful drivers, and dual pumping JBL Bass Radiators for dynamic, immersive audio with deeper bass and detailed highs.
Playtime and Playtime Boost
Enjoy up to 24 hours of listening on a single charge. Tap Playtime Boost to extend playtime by up to 6 hours while tuning performance for louder, crisper sound. A quick ten-minute charge can add about two extra hours of playtime.
Built for outdoor use
IP67 rating means the speaker is engineered to resist fine dust and handle sudden immersion, so it suits backyard parties, beach trips, and poolside use. The exterior uses dense fabric mesh over a heavy-duty frame with thick rubber end bumpers and a rubberized base for stable placement.
Carry and everyday extras
An adjustable shoulder strap works as a crossbody carry option. Integrated metal loops anchor the strap, and a built-in bottle opener is included for off-grid outings.
Power, charging, and connectivity
The high-capacity internal battery supports USB-C power out to charge source devices while you play. The battery module uses a swappable core design to help keep the speaker viable after years of daily use. Bluetooth 5.3 supports multi-device connections with low delay. Auracast multi-speaker pairing lets you sync compatible modern units over an energy-efficient wireless link.
Sound tuning and output
AI Sound Boost firmware is designed to predict driver movement and reduce high-volume distortion. During standard AC connection modes, output reaches up to 100 watts of immersive JBL Pro Sound. An automated signal processor adjusts cone travel to maximize volume depth. The companion mobile app includes a 5-band graphic equalizer for precise audio tailoring.
Sustainable materials
Construction includes post-consumer recycled plastics and sustainable fabric wrap materials.
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