JBL Extreme 4

Device Type: Portable Bluetooth Speaker
Acoustic Configuration: 2 × 70mm woofers + 2 × 20mm tweeters
Output Power: AC Mode: 2 × 30W RMS (woofer) + 2 × 20W RMS (tweeter); Battery Mode: 2 × 20W RMS + 2 × 15W RMS -1-2
Frequency Response: 44 Hz – 20 kHz
Bluetooth Version: 5.3
Battery Life: Up to 24 hours (Playtime Boost adds 6 hours)
Charging Time: 3.5 hours
Protection Rating: IP67 (waterproof and dustproof)
Dimensions: 297 × 149 × 141 mm
Weight: 2.1 kg
Battery Capacity: 68 Wh (equivalent to 7.2V / 9444mAh)
Ports: USB-C (input/output, supports device charging)
Multi-Speaker Connection: Supports Auracast™ and JBL PartyBoost