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Model: JBL Boombox 4 portable Bluetooth speaker
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Rugged design with integrated handle, IP68 waterproof & dustproof rating
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Weight: ~5.89 kg (≈13 lbs)
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Dimensions (W × H × D): ≈51 × 26 × 21 cm
Audio & Output
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JBL Pro Sound with AI Sound Boost (dynamic sound tuning)
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Drivers: 2 × 5″ woofers + 2 × 0.75″ tweeters + 3 passive radiators
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Frequency response: 37 Hz – 20 kHz
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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
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Rechargeable 99.02 Wh Li-ion battery pack
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Playback time: up to ~28 h (plus up to ~6 h with Playtime Boost)
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Battery charging time: ~3 hours
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Replaceable battery design (extends product lifespan)
Connectivity
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Bluetooth 5.4 with support for A2DP/AVRCP profiles
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Auracast™ & JBL PartyBoost multi-speaker pairing
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USB-C port (with lossless audio playback via cable)
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AC-in port for mains power
Features
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AI Sound Boost for optimized dynamics
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Powerbank function to charge devices (via USB-C)
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Deep & Punchy Bass Boost sound modes (varies by market)