- Brand
- JBL
- Model
- Boombox 4
- Product Type
- Portable Bluetooth Speaker
- Color
- Squad
- Audio Technology
- JBL Pro Sound
- Audio Enhancement
- AI Sound Boost
- Woofer Drivers
- 2 × 5-inch (123mm)
- Tweeter Drivers
- 2 × 0.75-inch (20mm)
- Passive Radiators
- 3
- Output Power (AC Mode)
- 2 × 65W RMS Woofer + 2 × 40W RMS Tweeter
- Output Power (Battery Mode)
- 2 × 60W RMS Woofer + 2 × 40W RMS Tweeter
- Frequency Response
- 37Hz–20kHz
- Signal-to-Noise Ratio
- >80dB
- Bluetooth Version
- 5.4
- Bluetooth Profiles
- A2DP 1.4, AVRCP 1.6
- Wireless Connectivity
- Bluetooth
- Multi-Speaker Connectivity
- Auracast
- Bass Modes
- Deep Bass / Punchy Bass
- Audio Playback
- USB-C Lossless Audio
- Waterproof Rating
- IP68
- Dustproof
- Yes
- Battery Type
- Rechargeable Lithium-Ion
- Battery Capacity
- 99.02Wh (21.6V / 4584mAh equivalent)
- Battery Life
- Up to 28 hours, plus up to 6 hours with Playtime Boost
- Charging Time
- Approximately 3 hours
- Power Bank Function
- Yes
- Connection Ports
- AC-In, USB-C
- Dimensions (W × H × D)
- 506.4 × 262.9 × 212.9mm
- Weight
- 5.89kg
- Power Input
- 100–240V AC, 50/60Hz
- Replaceable Battery
- Yes; replacement sold separately
- Included Accessories
- Speaker, AC Power Cable, Quick Start Guide, Safety Sheet, Warranty Card