The JBL Xtreme 4 is a portable, waterproof Bluetooth speaker with a focus on powerful sound and long-lasting battery life. It features dual 2.75-inch woofers, dual 0.75-inch tweeters, and dual passive radiators. It delivers up to 24 hours of playtime and includes a Playtime Boost feature for an additional 6 hours. The speaker is IP67 waterproof and dustproof, and it utilizes Bluetooth 5.3 with support for Auracast.
Here’s a more detailed breakdown:
Audio Performance:
- Drivers: 2 x 70 mm (2.75 inch) woofers and 2 x 20 mm (0.75 inch) tweeters.
- Passive Radiators: 2.
- Rated Output Power: 2 x 30W RMS woofer + 2 x 20W RMS tweeter (AC power mode), 2 x 20W RMS woofer + 2 x 15W RMS tweeter (Battery mode).
- Frequency Response: 44 Hz – 20 kHz.
- Signal-to-Noise Ratio: > 80 dB.
- AI Sound Boost: Analyzes the incoming signal and predicts loudspeaker movement to optimize sound output and reduce distortion.
Connectivity and Features:
- Bluetooth: Version 5.3, with support for A2DP 1.3, AVRCP 1.6.
- Auracast: Supports multi-speaker connection for a wider soundstage.
- Multi-Point Connection: Allows connection to multiple devices simultaneously.
- USB-C: Features a USB-C port for charging and an additional USB-C port for charging other devices.
- Powerbank Functionality: Can be used to charge other devices.
- Playtime Boost: Adds up to 6 hours of extra playtime when activated.
Durability and Design:
- Water and Dustproof: IP67 rating ensures protection against water and dust.
- Rugged Design: Features rubberized bottom and edges for durability.
- Carry Strap: Includes a shoulder strap for easy portability, with a built-in bottle opener.
Other Specifications:
- Battery: Li-ion polymer 68Wh (equivalent to 7.2V/9444mAh).
- Battery Charge Time: 3.5 hours (with 20V/3A input).
- Dimensions: 297 x 149 x 141 mm / 11.69″ x 5.87″ x 5.55″.
- Weight: 2.1 kg / 4.63 lbs.
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