JBL Boombox 4 Black - Portable Bluetooth speaker, with clear sound, deep bass and a battery life of up to 34 hours. The AI Sound Boost technology optimises playback in real time, and the new design is larger yet lighter, perfect for parties anywhere. It is completely waterproof and dustproof (IP68) and offers Bluetooth connectivity and control via the JBL Portable app.
Features:
- JBL Pro sound with enhanced bass
- AI Sound Boost for automatic playback optimisation
- 2 woofers + 2 tweeters + 3 passive radiators
- Two Bass Boost modes: Deep and Punchy
- IP68 waterproof and dustproof rating
- Battery life of up to 34 hours (Playtime Boost)
- Larger yet lighter design, with integrated handle
- Bluetooth connectivity and JBL Portable app for control
- Power bank function for charging other devices
Specifications:
- Portable Bluetooth speaker
- Output power:
- AC mode: 2 x 65W (woofer), 2 x 40W (tweeter)
- Battery mode: 2 x 60W (woofer), 2 x 40W (tweeter)
- Power supply: 100–240V AC, 50/60Hz
- Signal-to-noise ratio: > 80 dB
- Frequency response: 37 Hz – 20 kHz
- Speakers:
- 2 x 5" / 123 mm woofers
- 2 x 0.75" / 20 mm tweeters
- 2 circular passive radiators + 1 racetrack type
- Connectivity
- Connections: AC-in, USB-C
- Bluetooth 5.4
- Battery
- Battery type: Rechargeable Li-ion, 99.02 Wh
- Charging time: 3 hours
- Maximum playback time: 28 hours
- Dimensions (mm): 510 x 260 x 210
- Charging via standard AC port
- Weight: 5.89 kg
- Colour: black
- Included in delivery:
- 1 x JBL Boombox 4
- 1 x 2 m AC power cable
- 1 x Quick start guide
