Year-End SaleEnds 1/1/26. Limited quantities. No rainchecks.

Skip to content
Main Content

Customer Ratings & Reviews

No content
  • Front. harman/kardon - Onyx Studio 4 Portable Bluetooth Speaker - Black.
  • Angle. harman/kardon - Onyx Studio 4 Portable Bluetooth Speaker - Black.
  • Alt View 11. harman/kardon - Onyx Studio 4 Portable Bluetooth Speaker - Black.
  • Alt View 12. harman/kardon - Onyx Studio 4 Portable Bluetooth Speaker - Black.
  • Alt View 13. harman/kardon - Onyx Studio 4 Portable Bluetooth Speaker - Black.

harman/kardon - Onyx Studio 4 Portable Bluetooth Speaker - Black

Model:
HKOS4BLKAM
SKU:
5886600
Highly rated by customers for:
Your price for this item is $98.99
Clearance
The comparable value price is $179.99

Customer reviews

Rating 4.8 out of 5 stars with 2124 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.7 out of 5 stars

  • Quality

    Rating 4.8 out of 5 stars

  • Ease of Use

    Rating 4.8 out of 5 stars

Pros mentioned filter

Cons mentioned filter

96%would recommend to a friend

Customers are saying

Customers frequently mention the Onyx Studio 4's exceptional sound quality, powerful bass, and convenient portability. Many also praise its long battery life and ease of Bluetooth connectivity. While some wish for water resistance, the positive feedback on sound and portability outweighs this concern. The speaker's value for its price point is also frequently highlighted.

This summary was generated by AI based on customer reviews.

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 99 Showing 1,961-1,980 of 2,123 reviews

  • Nice glass

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

    I love it Great hdbcbxn b gdbxbxbxbxb CB bxhxbxbxbxjhxbc

    I would recommend this to a friend

  • Nice

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

    Thank you the speaker is very stylish cute n does it’s job

    I would recommend this to a friend

  • Great sound

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

    Not like big speakers to haul around use in classic cars or outdoors

    I would recommend this to a friend

  • Boom boom party

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

    Super good quality one didn’t work well but they give me. A new one I’m hoping that you guys will sell Harlan kardon aura 3 or at least 2

    I would recommend this to a friend

  • Good sound

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

    great speaker but I think the Studio 3 sounded better

    I would recommend this to a friend

  • Great

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

    It is such an awesome speaker with great sound output.

    I would recommend this to a friend

  • Gift to a friend

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

    He loved it so much that he brought me one for a house warming gift.

    I would recommend this to a friend

  • Very good sound with long range Bluetooth.

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

    I have a second one that easily connect to each other.

    I would recommend this to a friend

  • Awesome speaker!!

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

    Upgraded my bluetooth speaker to this awesome speaker!!

    I would recommend this to a friend

  • is it a great speaker

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

    i liked very much the best bluetooth we ever have it

    I would recommend this to a friend

  • Great sound

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

    1 year later and still have great experience and same quality

    I would recommend this to a friend

  • Speaker

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

    Sounds great. I use it all over the house and when I travel

    I would recommend this to a friend

  • Good speaker

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

    This is one of the best speaker i ever have i and love it

    I would recommend this to a friend

  • Sounds great

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

    Everything i wanted and then some, well worth $100!

    I would recommend this to a friend

  • Awesome Speaker

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

    Highly recommended. Easy connectivity. Harmon Kardon ROCKS!!!

    I would recommend this to a friend

  • Good speaker when it stays connected

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

    Works great when plugged in via AUX cord, but having some issues when trying to use via Bluetooth. Good thing the main purpose was to be used via AUX.

    I would recommend this to a friend

  • Great speaker

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

    Awesome speaker, Great price. Very happy with my purchase!

    I would recommend this to a friend

  • GREAT PRODUCT

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

    MY WIFE REALLY LIKES THIS PRODUCT AND SO DOES THE WHOLE FAMILY

    I would recommend this to a friend

  • great deal on a good speaker

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

    this speaker was on sale so i had no excuse not to buy it !

    I would recommend this to a friend

  • Great gift for Christmas

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

    Price reasonable, great gift for Christmas to put with TV

    I would recommend this to a friend
Page 99, Showing 1,961-1,980 of 2,123 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. © 2025 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.