4th of July Appliances Sale.Free delivery. Ends 7/8. Terms apply.Shop now

Skip to contentGo to Product Search
Main Content

Customer Ratings & Reviews

  • Front. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • Alt View 1. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • Alt View 11. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • Alt View 12. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • Alt View 13. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • Alt View 14. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • Alt View 15. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • The text on the image is already grouped and correct. It reads: "ULTIMATE EARS ULTIMATE EARS 225mm POWERFIAL SOUND 3 POSSANCE SATER SOUNO TRUNDERING, TEPE BASS MEGABOOM Speaker SONCRE E -k Bluetooth BASIGES EXPLOSNVES Tragbarer Portable Bluetooth-Lautsprecher portable Enceinte Bluetoot* 87mm."
  • Alt View 17. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • Alt View 18. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • Ultimate Ears CBALA
  • Alt View 20. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • Alt View 21. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • Alt View 22. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • Alt View 23. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • Alt View 24. Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black.
  • Great sound wherever you go - at the Best Buy Lab video 1 minutes 08 seconds
  • Magic Button video 0 minutes 15 seconds
  • BOOM 3 and MEGABOOM 3 video 0 minutes 30 seconds
  • Waterproof Feature video 0 minutes 15 seconds

Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black

Model:
984-001390
SKU:
12345479
Highly rated by customers for:
$109.00
Save $40.99
The comparable value is $149.99

Customer reviews

Rating 4.6 out of 5 stars with 3870 reviews

Rating Filter

Rating by feature

  • Sound Quality

    Rating 4.7 out of 5 stars

  • Battery Life

    Rating 4.7 out of 5 stars

  • Range

    Rating 4.6 out of 5 stars

Pros mentioned filter

Cons mentioned filter

92%would recommend to a friend
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 49 Showing 961-980 of 3,870 reviews
  • Pros mentioned:
    Battery life

    Little big speaker

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love this little speaker. Sounds big and so far I’ve only charge it once and still going strong.

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Lagoon Blue

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Sound quality

    Excellent sound and battery life

    |
    |
    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great durable speaker. Good sound and great battery life! Love it

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Lagoon Blue

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Sound quality

    Sound is great!

    |
    |
    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Beautiful sound! I take this speaker everywhere, battery is great! Very recommended.

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Sound quality

    Would recommend

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works well, has a good battery life, and sounds great for the price.

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Lagoon Blue

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Sound quality

    Portable Speaker

    |
    |
    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Fantastic product. Great sound and the battery lasts forever. Setup was quick and easy too

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Lagoon Blue

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Water resistance

    Exceptional speaker

    |
    |
    Posted . Owned for 10 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Best speaker I’ve purchased thus far. Love the battery life, and that it’s waterproof.

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Lagoon Blue

    I would recommend this to a friend
  • Pros mentioned:
    Portability, Sound quality

    Great speaker.

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I use this in a construction setting and it's able to take a beating. Sound is amazing as well.

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Sound quality

    Fantastic speaker

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The best portable speaker, long battery life, great sound. Would recommend again and again.

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black

    I would recommend this to a friend
  • Pros mentioned:
    Connectivity, Sound quality

    Great sound

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great speaker. Sound comes from all angles. Easy to pair with all of my devices.

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Ultraviolet Purple

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Beautiful sound quality while simple to operate!

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great quality sound! Easy to pair and easy to figure out how to use controls on the speaker!

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Lagoon Blue

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    MegaBoom Rocks

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This Bluetooth Speaker has Excellent Sound, Range and Bass….Wonderful !!!!

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Lagoon Blue

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Music

    |
    |
    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Nice little compact speaker. Battery last at least 6 hrs. This was perfect for our beach trip!

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    AMAZING sound, but no Alexa

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    GREAT GREAT sound and volume. No complaints. Wish it were Alexa compatible though

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Water resistance

    Great product

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love it from the start. Took it to Mexico with me. Look how it can be submerged into water. Very good battery life

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Sound quality

    Mr.

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great sound and quality!! Keeps its charge and the Bluetooth works perfect.

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Lagoon Blue

    I would recommend this to a friend

  • Bluetooth Speaker

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Nice speaker. Decent price. Like that it is a Bluetooth speaker and outdoor. And like idea that it is waterproof.

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality, Water resistance

    Good Speaker

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good Sound, nice and loud. It is waterproof and floats. App is good, but can be odd at times.

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black

    I would recommend this to a friend

  • MegaBOOM

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Amazing base, great volume to fill a decent sized living room, absolutely portable and light

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Lagoon Blue

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Sound quality

    Great

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Amazing speaker and even better paired with another!! Battery life is great and sound quality room filling!

    This review is from Ultimate Ears - MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design - Night Black

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Great speaker!

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This speaker is excellent, and I love the options it gives you for the settings depending on what kind of space you’re in. Easy to use, and the waterproof is a plus especially for summers out by the pool. Going to purchase a couple more to sync them all together for the back patio area.

    This review is from Ultimate Ears - MEGABOOM 3 Portable Bluetooth Speaker - Moon

    I would recommend this to a friend
Page 49, Showing 961-980 of 3,870 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.