JBL Boombox 4 Portable Bluetooth Speaker with AI Sound Boost, IP68 Waterproof and Dustproof Protection, Auracast and Up to 34 Hours with Playtime Boost, Black – JBLBOOMBOX4BLKAM

Take powerful JBL Pro Sound wherever the day leads. The JBL Boombox 4 combines deep bass, a built-in carrying handle and a rechargeable battery with rugged IP68 protection for portable entertainment. 

Features

AI Sound Boost analyzes music in real time to optimize output and reduce distortion.

Deep Bass and Punchy Bass settings.

Auracast connectivity for linking compatible speakers.

USB-C lossless audio playback with compatible devices and content.

Replaceable rechargeable battery; replacement battery sold separately. 

Advantages

Enjoy music away from an electrical outlet.

Choose a bass setting to suit your playlist.

Expand playback across compatible Auracast speakers.

Carry the speaker conveniently using its integrated handle.

Technical Specifications

Brand: JBL
Model: Boombox 4
SKU: JBLBOOMBOX4BLKAM
Color: Black
Bluetooth: Version 5.4
Speaker configuration: Two 5-inch woofers, two 0.75-inch tweeters and three passive radiators
Total rated output on AC power: 210W RMS
Total rated output on battery: 200W RMS
Frequency response: 37 Hz–20 kHz
Protection rating: IP68 waterproof and dustproof
Connections: AC input and USB-C
Power input: 100–240V AC, 50/60 Hz.

Battery: Rechargeable lithium-ion, 99.02Wh
Charging time: Approximately 3 hours
Playback: Up to 28 hours, plus up to 6 additional hours with Playtime Boost; actual runtime varies with volume and audio content. 

Dimensions & Weight

Width: 19.9 inches
Depth: 8.4 inches
Height: 10.4 inches
Net weight: 13.0 lbs. 

Shipping — Box Dimensions & Weight

Width: 22.2 inches
Depth: 10.1 inches
Height: 13.6 inches
Shipping weight: 17.99 lbs.

Perfect For

Beach days and poolside gatherings.

Backyard celebrations.

Travel and outdoor recreation.

Portable music throughout the home.

1 Year Manufacturer Warranty