• Model: JBL Boombox 4 portable Bluetooth speaker

• Rugged design with integrated handle, IP68 waterproof & dustproof rating

• Weight: ~5.89 kg (≈13 lbs)

• Dimensions (W × H × D): ≈51 × 26 × 21 cm

Audio & Output

• JBL Pro Sound with AI Sound Boost (dynamic sound tuning)

• Drivers: 2 × 5″ woofers + 2 × 0.75″ tweeters + 3 passive radiators

• Frequency response: 37 Hz – 20 kHz

• Output power (RMS):
  • AC mode: 2 × 65 W (woofers) + 2 × 40 W (tweeters)
  • Battery mode: 2 × 60 W (woofers) + 2 × 40 W (tweeters)

Battery & Playback

• Rechargeable 99.02 Wh Li-ion battery pack

• Playback time: up to ~28 h (plus up to ~6 h with Playtime Boost)

• Battery charging time: ~3 hours

• Replaceable battery design (extends product lifespan)

Connectivity

• Bluetooth 5.4 with support for A2DP/AVRCP profiles

• Auracast™ & JBL PartyBoost multi-speaker pairing

• USB-C port (with lossless audio playback via cable)

• AC-in port for mains power

Features

• AI Sound Boost for optimized dynamics

• Powerbank function to charge devices (via USB-C)

• Deep & Punchy Bass Boost sound modes (varies by market)