Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker With Big Bass and 360-Degree Sound, Dustproof Floating Speaker With 131ft (40m) Range, Black
Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker With Big Bass and 360-Degree Sound, Dustproof Floating Speaker With 131ft (40m) Range, Black
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Ultimate Ears

Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker With Big Bass and 360-Degree Sound, Dustproof Floating Speaker With 131ft (40m) Range, Black

Key item features

  • Powerful Audio: Delivers bigger 360-degree sound with boosted bass, offering full stereo sound and a dedicated Outdoor Boost mode for enhanced outdoor listening.
  • Extended Playtime: Provides an impressive 14 hours of continuous playtime on a single charge, ensuring long-lasting audio enjoyment throughout the day.
  • Robust Durability: Features an IP67 rating, making it waterproof (submersible in 1m of water for 30 min), dustproof, and floatable, ideal for various environments.
  • Enhanced Vocal Clarity: Includes a new Podcast Mode specifically engineered to make vocals sound rich and clear, optimizing the listening experience for spoken content.
  • Stereo Pairing: Allows for pairing two WONDERBOOM 4 speakers to achieve an even bigger sound, with the option for true stereo separation with distinct left and right channels.
  • Portable Design: Designed for portability with a 131 ft (40m) Bluetooth range, dirt resistance, drop-proof construction, and a convenient loop for easy carrying.
  • Sustainable Construction: Made with a minimum of 31% certified post-consumer plastic, giving new life to PET bottles and contributing to environmental sustainability.
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Current price is $64.99
Price when purchased online
  • Free shipping
  • Free 30-day returns
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Ships to
Arrives by Fri, Jul 24
Sold by CSGS Distributors Pro Seller
Fulfilled by Walmart
5 stars out of 5, based on 9 seller reviews(5.0)
Free 30-day returns
Other sellers
$63.99
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Shipping, arrives by Wed, Jul 29 to Columbus, 43215
Sold and shipped by Linen Store, Inc.
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About this item

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Customer ratings & reviews

4.4 out of 5 stars
stars
122 ratings73 reviews
How item rating is calculated
  1. 5 stars78% (95)
  2. 4 stars5% (6)
  3. 3 stars4% (5)
  4. 2 stars5% (6)
  5. 1 star8% (10)

Reviews summary

Pros

  • : Delivers clear highs and deep bass with a balanced mid-range.
  • : Connects easily to devices for daily and outdoor use.
  • : Lasts for hours on a single charge.
  • : Quickly pairs with devices via bluetooth.
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Showing 1-3 of 73 reviews

May 26, 2025
JoeSki Reed City Mi
5 out of 5 stars review

Seller Verified Purchase

WonderFUL !!

First of all it arrived fast and is well worth the price. I get told almost every time I'm jammin cruisin on my EBike how good it sounds … and … it's even got me warnings from apartment complex management that it be nice if I turned it down. It's loud. Crystal clear too

Review from Ultimate Ears
Helpful?4HILSHLMRQO07395220575
Apr 28, 2026
Kobriengle
5 out of 5 stars review

Seller Verified Purchase

Great little speaker!

Bought this for my son for his birthday. He loves it! He owned a previous version but it was stolen and he wanted to replace it with the same. He uses it at chess club at his university in a public space and it works well!

Review from Ultimate Ears
Helpful?4HILSHLMRQO07395220575
Dec 25, 2025
ChickaRose
5 out of 5 stars review

Seller Verified Purchase

Perfect Gift

This item was given to my daughter as a gift for Christmas. She was very excited to receive it. She started using it right away. This her second Wonderboom!

Review from Ultimate Ears
Helpful?4HILSHLMRQO07395220575