🔊 Key Features
🎶 Experience Massive JBL Pro Sound
Enjoy dynamic, immersive audio with two woofers, two tweeters, and dual passive radiators for deep bass and clear highs.
🔋 Enjoy All-Day Battery Life
Get up to ~24 hours of playback on a single charge. Playtime Boost mode can extend your listening by another ~6 hours by optimizing performance. Fast charge gives you ~2 hours of music from just ~10 minutes of charging.
💧 Rugged & Outdoor‑Ready
With an IP67 waterproof and dustproof rating, handle splashes, rain, beach days, or dusty environments without worry.
📶 Wireless & Connectivity
Bluetooth 5.3 ensures reliable wireless streaming. Auracast™ support lets you wirelessly connect this and other compatible JBL speakers for stereo sound or party mode. Use the JBL Portable app to update firmware, customize EQ, and manage speaker settings.
🔌 Extras
Built‑in powerbank (USB‑C) to charge your phone or devices on the go. Replaceable battery helps extend the speaker’s lifespan (battery sold separately). Comes with a shoulder strap for easy carrying. Partially made from recycled materials, and packaged in eco‑friendly materials.
📋 Technical Specs
Specification: Detail
Output Power: ~100 W RMS total (4 drivers)
Drivers: 2 × woofers, 2 × tweeters
Frequency Response: ~44 Hz – 20 kHz
Bluetooth: 5.3
Battery Life: Up to 24 h (+6 h Playtime Boost)
Charging Time: ~3.5 h
Water/Dust Rating: IP67
Weight: ~2.1 kg (4.6 lb)
Dimensions: ~29.7 × 14.9 × 14.1 cm
🧭 What’s in the Box
✔ JBL Xtreme 4 speaker
✔ Shoulder strap
✔ Quick start guide & warranty documentation
🏆 Notes & User Feedback
The Xtreme 4 is highly praised for sound quality, long battery life, and durability—perfect for outdoors or gatherings. Some users note the weight (~2.1 kg) can make it less convenient for long hikes. The sound signature is bass‑rich and party‑oriented, staying strong at high volumes with minimal distortion.