The JBL Boombox 4 is a powerful, high-performance portable Bluetooth speaker designed for outdoor and indoor parties. Released in September 2025.
Specifications
- Total Power Output: 210W RMS on AC power (2 x 65W woofers + 2 x 40W tweeters) and up to 200W RMS on battery power.
- Audio Drivers: Two 5-inch (123 mm) woofers, two 0.75-inch (20 mm) tweeters, and three passive radiators.
- Battery Life: Up to 28 hours of continuous playtime, extendable to 34 hours using the "Playtime Boost" mode.
- Durability: IP68-rated for full dustproof and waterproof protection (can be submerged in up to 1.5 meters of water).
- Connectivity: Bluetooth v5.4 and Auracast™ for multi-speaker or stereo pairing with other compatible JBL devices.
- Charging: Features a USB-C port that supports both power input/output (power bank function) and lossless audio playback.
- Dimensions & Weight: Approximately 51 x 26 x 21 cm (20 x 10 x 8 inches) and weighs 13 lbs (5.89 kg).
