| Specification | Details |
| Model | JBL Xtreme 4 |
| Transducers | 2 x 70 mm (2.75") Woofers, 2 x 20 mm (0.75") Tweeters, Dual Passive Radiators |
| Output Power (AC Mode) | 100W RMS (2 x 30W RMS Woofer + 2 x 20W RMS Tweeter) |
| Output Power (Battery Mode) | 70W RMS (2 x 20W RMS Woofer + 2 x 15W RMS Tweeter) |
| Frequency Response | 44 Hz – 20 kHz |
| Signal-to-Noise Ratio | > 80 dB |
| Sound Enhancement | AI Sound Boost |
| Bluetooth Version | Bluetooth 5.3 |
| Bluetooth Profiles | A2DP 1.4, AVRCP 1.6 |
| Multi-Speaker Connection | Auracast & JBL PartyBoost |
| Battery Type | Li-ion polymer 68 Wh (equivalent to 7.2V / 9444 mAh) |
| Playtime | Up to 24 hours (up to 30 hours with Playtime Boost) |
| Fast Charging | 10 minutes charge gives ~2 hours playtime |
| Charging Time | 3.5 hours (via 20V / 3A input) |
| Powerbank Function | USB-C Charge Out (5V/3A, 9V/2A, 11V/2A) |
| Ingress Protection Rating | IP67 (Waterproof and Dustproof) |
| Dimensions (W x H x D) | 297 x 149 x 141 mm (11.69" x 5.87" x 5.55") |
| Weight | 2.1 kg (4.63 lbs) |
| App Support | JBL Portable App |
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