JBL Boombox 4 – Brand New – Sealed
$549.00
The JBL Boombox 4 is a high-power 180W RMS portable Bluetooth speaker engineered for outdoor acoustic performance and durability. Powered by AI Sound Boost technology, dual woofers, dual tweeters, and three passive radiators, it delivers deep bass and clear audio across all volume levels. Housed in a lightweight rugged body with an IP68 waterproof and dustproof rating, it features Bluetooth 5.4, Auracast multi-speaker pairing, USB-C power bank capabilities, lossless audio playback support over USB-C, and up to 34 hours of total playtime (28 hours standard plus 6 hours via Playtime Boost) on a quick 3-hour charge.
Description
| Audio & Power Performance | |||
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Output Power
180 Watts RMS (AC Power Mode)
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Transducers
2 x Woofers, 2 x Tweeters, 3 x Passive Radiators
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Frequency Response
40 Hz – 20 kHz
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Audio Optimization
AI Sound Boost real-time audio analysis
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| Connectivity & Inputs | |||
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Bluetooth Version
Bluetooth 5.4 (A2DP 1.4, AVRCP 1.6)
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USB Port
USB-C (Supports lossless audio input & power bank charging)
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Wireless Pairing
Auracast multi-speaker connection & Stereo TWS pairing
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App Integration
JBL Portable App (Custom EQ & Sound Modes)
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| Durability & Physical Specifications | |||
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Dimensions (WxHxD, mm)
482 x 257 x 200 mm (18.98″ x 10.12″ x 7.87″)
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Weight
5.9 kg (13.0 lbs)
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IP Rating
IP68 Waterproof and Dustproof
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Build Materials
Recycled fabric grill, silicone side bumpers, aluminum handle
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| Battery & Power | |||
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Battery Capacity
4584 mAh (Li-ion rechargeable battery)
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Total Playtime
Up to 34 hours (28 hrs standard + 6 hrs Playtime Boost)
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Charge Time
3.0 hours via USB-C fast charge
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| Warranty | |||
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Warranty Period
90 Days
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