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Jbl Boombox
JBL Boombox 4 Waterproof Portable Bluetooth Speaker

JBL Boombox 4 Waterproof Portable Bluetooth Speaker

Last price we saw

$451.45last seen Oct 29

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Deal: 37% off at World Wide Stereo →

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Our take on the JBL Boombox 4 Waterproof Portable Bluetooth Speaker

The JBL Boombox 4 is a large portable Bluetooth speaker built for loud, bass-heavy outdoor sound. It pairs JBL Pro Sound with AI Sound Boost, adds two bass modes, Auracast multi-speaker linking and lossless USB-C playback, and runs up to 34 hours with Playtime Boost. It is IP68 waterproof and dustproof, so pool decks and rain are fine. This bundle from World Wide Stereo includes a gSport carbon fiber case.

Best forParty hosts and backyard gatheringsPool, beach and tailgate useBuyers who want deep bass at high volumeMulti-speaker setups via Auracast
Pros
  • Up to 34 hours of playtime with Playtime Boost
  • IP68 waterproof and dustproof
  • Two bass modes: Deep Bass and Punchy Bass
  • Auracast links multiple speakers
  • Lossless audio over USB-C
  • Includes a carbon fiber carry case
Cons
  • Big and heavy for a portable speaker
  • Loud bass output can annoy close neighbors
  • Lossless playback needs a wired USB-C source
  • Charges on its own base, so you need the dock nearby

JBL Boombox 4 Waterproof Portable Bluetooth Speaker price history

Lowest price we've seen: $451.45 on Oct 29. Tracked across 1 store since Oct 29.

What reviewers say

Owners describe easy setup, fast charging on the base and crisp, clear sound across streaming services. Party hosts like that friends can stream to it too.

Pros
  • Simple setup and quick charging on its base
  • Crisp, clear sound across streaming services
  • Loud enough for parties and outdoor spaces
  • Guests can connect and stream their own music
Cons
  • Size and weight make it a stay-put speaker
  • Bass-heavy tuning is not for quiet listening

From World Wide Stereo

  • JBL Pro Sound with AI Sound Boost for more power and less distortion
  • Up to 34 hours of playtime with Playtime Boost
  • IP68 waterproof and dustproof
  • Multi-speaker connection by Auracast
  • Two Bass Boost settings: Deep Bass and Punchy Bass
  • Lossless audio playback via USB-C
Materials
Recycled plastic and recycled fabric speaker grille; FSC-certified paper packaging printed with soy ink
Guarantee
Price Match Guarantee
Returns
60-Day Returns & Exchanges
Shipping
Free Shipping on All Orders
Packs
Bundle includes the JBL Boombox 4 and a gSport Carbon Fiber protective hardshell carrying case
In the box
JBL Boombox 4 Portable Bluetooth Speaker, gSport Carbon Fiber Case, Power Cord, Quick Start Guide, Safety Sheet

What buyers say

Buyers like
  • Super easy to set up and charges quickly on its own base
  • Outstanding, crisp and clear sound across streaming services
  • Friends can also stream to it, great for parties

Specifications

Wireless
Yes
Configuration
2 Channel
Portable
Yes
Color
Blue
Connectivity
Bluetooth
Battery Life
34 hr battery life

Questions and answers

Is the JBL Boombox 4 worth it?
If you want very loud, bass-forward sound that survives water and dust, yes. It costs more and weighs more than smaller JBL portables, so buy it for outdoor parties rather than desk listening.
How is it different from the Boombox 3?
The Boombox 4 adds AI Sound Boost, two selectable bass modes, Auracast multi-speaker linking and lossless USB-C playback. Battery life is rated up to 34 hours with Playtime Boost.
How long does the battery last?
JBL rates it at up to 34 hours with Playtime Boost. Expect less at very high volume or with Deep Bass on.
Can it survive rain and pool splashes?
Yes. It is rated IP68, so it is dustproof and can be submerged briefly. Rinse and dry the ports before charging.
What comes in the box?
The speaker, a gSport carbon fiber case, a power cord, a quick start guide and a safety sheet.
When is it cheapest?
JBL Boombox models usually drop around Black Friday, Prime Day and end-of-summer sales. Watch the price history before buying.
What do buyers say about the JBL Boombox 4 Waterproof Portable Bluetooth Speaker?
Buyers like: Super easy to set up and charges quickly on its own base; Outstanding, crisp and clear sound across streaming services; Friends can also stream to it, great for parties.