The JBL Boombox 4 is a portable Bluetooth speaker for big gatherings, with AI Sound Boost, two Bass Boost modes and up to 28 hours of battery, or 34 hours with Playtime Boost. At 5.9 kg it is 12% lighter than the Boombox 3, yet it delivers almost 50% more output power on battery.

Key features

• AI Sound Boost for more power and less distortion
• Bass Boost with two modes: Deep Bass for full, rich bass and Punchy Bass for tighter, energetic bass
• LED-lit horn logos on the bass radiators that pulse when Bass Boost is on
• New driver layout: two new mid-range drivers replace the subwoofer, plus a third passive radiator
• Up to 28 hours of battery, up to 34 hours with Playtime Boost, and a replaceable battery
• IP68 waterproof and dustproof with a sturdier foot, and Auracast for multi-speaker or stereo pairing

Specifications

• Model: JBL Boombox 4
• Weight: 5.9 kg
• Battery: up to 28 hours, up to 34 hours with Playtime Boost; replaceable
• Water and dust: IP68
• Drivers: two mid-range drivers (replacing the subwoofer) and a third passive radiator
• Wired audio: USB-C lossless audio
• Multi-speaker: Auracast

Compatibility

Connects over Bluetooth to your phone or tablet, links with other compatible JBL speakers through Auracast, and plays lossless audio over a USB-C connection.

Why buy from Store360

Real Canadian stock shipped from inside Canada, no customs surprises, and warranty support from our team. Browse more portable speakers for every size of party.

FAQ

How long does the battery last?
Up to 28 hours, or up to 34 hours with Playtime Boost. The battery is also replaceable.

Is it waterproof?
Yes. It is IP68 water and dustproof when used according to the product instructions, so it is ready for the pool, the park or the beach.

How is it different from the Boombox 3?
It is 12% lighter at 5.9 kg, gives almost 50% more output power on battery, swaps the subwoofer for two new mid-range drivers plus a third passive radiator, and adds AI Sound Boost and two Bass Boost modes.