JBL Xtreme 4 - Black arrives as a rugged, high-performance portable stereo speaker that blends powerful audio with outdoor-ready durability.

Designed for universal use, the JBL Xtreme 4 features a dedicated woofer and twin tweeters that deliver a wide 44–20,000 Hz frequency range and a clear signal-to-noise ratio of 80 dB. With 30 W RMS delivered to the woofer and an additional 20 W RMS available to the tweeters, this speaker produces punchy bass and crisp highs for music, podcasts, and movies.

Connectivity is seamless thanks to Bluetooth 5.3 support with A2DP and AVRCP profiles and multipoint connectivity for switching between devices. The speaker also includes a USB Type-C port for charging and a USB power bank function that can charge your phone, while AC power input and a fast 3.5-hour recharge time keep the 9,444 mAh (68 Wh) Li-Ion battery topped up for up to 24 hours of playback.

Engineered for outdoor adventures, the JBL Xtreme 4 in black carries an IP67 rating for dust resistance and full waterproofing, plus splash protection. At 297 x 149 x 141 mm and weighing 2.1 kg, it’s portable yet substantial, and the included shoulder strap makes it easy to carry to picnics, beach days, or small gatherings.

Physical controls are intuitive with on/off switch and button-based volume control, while practical extras like a quick start guide, manual, power adapter, warranty card, and safety sheet are included in the pack. The unit’s Bluetooth transmitter power is 10 dBm and it operates in the 2407–2475 MHz band for reliable wireless performance.

Typical use cases include taking the JBL Xtreme 4 to pool parties and hikes thanks to its waterproofing, using the power bank feature to recharge phones on the go, and pairing multiple devices through multipoint Bluetooth to share DJ duties. Its balance of bass, mids, and treble makes it suitable for everything from upbeat playlists to spoken-word content.

Overall, the JBL Xtreme 4 - Black is a versatile stereo portable speaker that combines robust sound output, long battery life, and rugged protection for an excellent all-around listening experience.

Powerful audio: 30 W woofer + 20 W tweeters (RMS)
Long battery life: up to 24 hours, 9,444 mAh battery
Durable & waterproof: IP67 protection
Convenient features: Bluetooth 5.3, USB-C, power bank