Harman Kardon Onyx Review

Harman Kardon Onyx Studio 2 Speaker System

With all the wireless speakers on the market today, it’s still pretty hard to find the perfect one to fit all of your needs. That difficulty may come to an end today with this review!

The Harman Kardon’s Onyx powered speakers have a unique, sleek, modernist design that will attractively frame your laptop or desktop computer. These easy to use speakers deliver a rich, detailed sound, whether you connect them to your audio source via a cable, or stream wirelessly via bluetooth. By all accounts, this is a fantastic sounding speaker.

We love that the Harman Kardon Onyx comes in both black and white – that’s going to suit most people.

Bottom line : this stereo speaker system is jam-packed with amazing features, making the Harman Kardon’s Onyx the speaker to buy!

Portable or Bookshelf ?

The Harman Kardon Onyx speakers are NOT portable – they are bookshelf.  They are wireless speakers, but you have to plug them into an electrical outlet – there is a power cord to one speaker and a second wire to connect the two speakers together (they come as a pair) so they definitely aren’t portable. You can plug them into any desktop or laptop to enjoy stereo sounding music, streaming straight from your bluetooth enabled device.

Power Source/ Battery Life

This speaker runs on a high-performance, 40-watt powered 2.0, stereo speaker system. Simply just plug it in, and begin jamming to your tunes.

Wireless Standard: Bluetooth

The Harman Kardon Onyx Studio 2 offers Bluetooth wireless streaming with NFC (that stands for Near Field communication, for the technically-challenged!). Pair with any of your bluetooth enabled devices; smartphones, computer, ipod or tablet and you don’t need a cable.  You can even connect it to your TV and it will also connect to a PlayStation!


Controls on this speaker are simple to find and use. The volume buttons are located on the top of the device; the jack is on the bottom, right side.  When connected to a computer, the volume can be controlled with the computer volume control.


There is no speakerphone capability on the Harman Kardon Onyx Speaker system.

Ease of Set-up

Set-up is quick and simple. Just plug the speakers into your desktop or laptop, install the necessary software, and you’re good to go! Pairing is just as simple; take any of your Bluetooth enabled devices, search for the Harman Kardon in your source list, and pair!

Stereo Separation

Overall stereo separation isn’t that great, limited by the connecting cable, so you basically only get mono tone.

Wireless Range

Most Bluetooth devices pick up range up to 30 feet. This one is no different. You must be within 30 feet of the speaker in order to properly stream your music. Since they are bookshelf speakers, you probably aren’t going to need to go further than that, anyway.

Harman Kardon Onyx Studio 2 Design

The Harman Kardon Onyx Speaker System offers a unique design. It sets new standards by putting its interior on display using Harman Kardon’s signature see-through speaker enclosure design; the Onyx is a new triple driver wireless Bluetooth enabled speaker system that is an all-in-one SoundSticks system jam packed into a compact and versatile package that can be used in a regular desktop setup environment, or even as your TV entertainment speaker system!


Sound Quality

The sound quality on this speaker is excellent, definitely in a class above the rest. At 40 Watts of power, the Harman Kardon Onyx provides you with all the power you need for a powerful home audio system. It provides you with Bass Boost function and a generous enclosure. As a customized acoustic package, the Onyx gives you clarity from the highest pitched treble to deepest bass. Its 2.5” drivers and 1.25” tweeters, when combined with its Passive Radiator, deliver a full range of sound that’s bound to get the party started.

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Dimensions and Weight

Dimensions = 8.5 x 18.4 x 6.8 inches

Weight = 6 lbs

Summary of Onyx Features

Quick pairing with NFC

Two 20-watt RMS amplifiers

Rounded, see-through enclosures

Power-saving sleep mode

Stereo minijack input for connecting an audio source


Harmon Kardon Onyx White Features

If you prefer white – Harmon Kardon have you covered! Please follow the link to the Harmon Kardon Onyx in stunning white, with the same fabulous features and see through design.

To order the Onyx in

White Click Here



As well as one Harman Kardon Onyx Stereo Streaming System in the box, there is :

  • One AC adaptor
  • One 3.5 mm connector cable
  • A Quick-start guide



  • Small and Light weight / easy to put anywhere
  • Excellent Sound Quality
  • Unique Design
  • Price is Right


  • Isn’t portable
  • Auto Sleep Feature is sometimes problematic (the “beep” annoys some people)
  • Limited Speaker Separation

Onyx Black Speakers Customer Reviews

This speaker has incredible reviews. Most users rave about the unique design, compact style, and outrageous sound quality. Most would say that setup is extremely easy and hassle free. The only real complaint is the auto sleep feature. At times, it will automatically shut off while your music is playing. Even though turning back on is simple, it can still cause headaches at the wrong time. Overall, though, reviews are extremely positive.


Priced at around $250 for a pair of speaker units, these speakers are pretty expensive, especially if you are on a budget. However, for the sound quality alone, the price is worth it. Compared with similar models in the same price point, these are far more superior.


Check Out This Awesome Harman Kardon Video

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