Harman Kardon Onyx Studio 4 Wireless Bluetooth Speaker

Harman Kardon Bluetooth Speaker

Up to 68% Off

Product Details


Harman Kardon Onyx Studio 4 Wireless Bluetooth Speaker

  • Product number: HKOS4BLKAM
  • Bluetooth version: 4.2
  • Features a rechargeable lithium-ion battery
  • Approximately 8 hours of playtime
  • Built-in microphone conferencing system
  • Harman Kardon Connect+ allows connecting 100+ speakers with the same feature
  • Product dimensions (in millimeters): 260x278x159.5
  • Product condition: new

For more info see this manual.

In the Box: Harman Kardon Onyx Studio 4, power adapter, quick start guide, safety sheet, warranty card

bluetooth-speaker-guideBluetooth Speaker Buying Guide

Whether you need a speaker for your bedroom or for a backpacking kit, this guide will help you choose the right one.

For post-purchase inquiries, please contact customer support.

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The Fine Print


If purchasing a Used / Open Box item: Used / Open Box items are items that have been purchased and returned by Groupon customers. These items have been inspected, graded, and in some cases cleaned and repaired. Used / Open Box items do not come with a warranty, but are returnable under Groupon’s standard return policy. Products may not arrive in original packaging. Learn more about Used / Open Box conditions here.

Customer Reviews

Product Picture for Customer Review

Harman Kardon Onyx Studio 4 Wireless Bluetooth Speaker

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Susan Verified Purchaser
Jan 26th, 2019
The best sounds clear and get volume love this item
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Maria Verified Purchaser
Jan 22nd, 2019
Great sound and portability is so easy..
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abayomi Verified Purchaser
Jan 18th, 2019
Giving me the output that I love the best speaker ever
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Irina Verified Purchaser
Jan 15th, 2019
Fantastic product, wish I'd ordered more.
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Zachery Verified Purchaser
Jan 14th, 2019
As someone who works in construction and enjoys to have a reliable speaker, this is one of the best quality speakers I have ever owned. Sound quality is great, durability is great, portability is on point, it has a decent battery life (at half volume you get 8 hours). I had the studio 1 for 3 years and never had a problem. I will continue to recommend this speaker to anyone who wants a new speaker
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4 people found this review helpful
Brian Verified Purchaser
Jan 14th, 2019
Great bluetooth speaker
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1 person found this review helpful
Peter Verified Purchaser
Jan 11th, 2019
Huge value! Full retail for this is over $400 on the HK website. The sound quality is awesome for the size. The only down sides are battery life of 8 hours max. Most units are over 10 now and it takes 5 hours for a full charge. But works while charging so no real biggie. I use it at my desk at work and it's perfect for what I needed.
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4 people found this review helpful
Rene Verified Purchaser
Jan 11th, 2019
Loved it sounds great. Glad to have found it at a good value and the color blue.
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Samonna Verified Purchaser
Dec 29th, 2018
Never receive my speaker still waiting on it
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Gina Verified Purchaser
Dec 24th, 2018
The sound is great and love the modern look.
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Average of 115 ratings

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