Harman Kardon Onyx Studio 4


Portable Bluetooth Speaker

kr 4.000,004000.0 each
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Elegant design full of features and superior sound

Providing the perfect balance of great sound, iconic design, and premium materials, the Onyx Studio 4 is the epitome of room-filling audio. Crafted to be the best sounding, full featured, portable Bluetooth speaker in its class, the Onyx Studio 4 offers two device connections, 8 hours of playtime and Harman Kardon Connect+, which allows you to connect 100+ speakers with the same feature with the touch of a button. Rounding out the Onyx Studio 4 offerings is a built-in microphone with Voicelogic, echo and noise cancellation for crystal-clear conferencing over the speaker.


General Specifications

Support A2DP 1.3, AVRCP 1.6, HFP 1.6
Transducers Woofer 2 x 75mm, Tweeter 2 x 20mm
Rated Power 4 x 15W (AC mode); 4 x 7.5W (Battery mode)
Frequency response 50Hz - 20kHz (-6dB)
Signal to noise ratio 80dB A-weighted
Weight: 2061g Yes


Dimension (H x W x D): 260mm x 278mm x 159.5mm Yes

Control and Connection Specifications

Bluetooth version: 4.2 Yes
Bluetooth transmitter power 0 - 9dBm
Bluetooth transmitter frequency range 2402MHz - 2480MHz
Bluetooth transmitter modulation GFSK, π/4 DQPSK, 8DPSK


Power supply 19V/2A
Battery type 3.7V/3000mAh Lithium-ion
Battery charge time 5 hours
Music playtime up to 8 hours (Varies by volume level and music content)
Click here for a complete list of all specs for this product

Spec Sheet (EN)

1 MB

Spec Sheet (EN)

709 KB
  • 1 x Harman Kardon Onyx Studio 4
  • 1 x Power adaptor
  • 1 x Quick start guide
  • 1 x Safety sheet
  • 1 x Warranty card
Harman Kardon Onyx Studio 4 is rated 4.1 out of 5 by 14.
Rated 5 out of 5 by from Great durable speaker! For a long time I was buying cheap speakers here and there, but my sister and I decided to buy two of these and ITS amazing for when we have parties at our house, track meets, and so much more! 10 out of 10 highly recommend
Date published: 2017-10-10
Rated 5 out of 5 by from Excellent Since I received the speaker I havent stopped listening to music. The sound is so clear and the bass is amazing for size of speaker I think. But I find that the quality of sound of the music to begin with must be good to be able to enjoy the speakers full potential. Excellent I love it, take it round the house with me.
Date published: 2017-10-05
Rated 5 out of 5 by from Amazing I got this for birthday present 5 days ago. I have no words. I really love the high quality products, the high quality music. The design, the sound, everything is perfect. Crystal clear highs, very powerful basses. Very detailed soundscape. This is the best in this price range ( in Hungary it's just 200$ ). I have in blue colour, really nice! Fully recommended speaker! :)
Date published: 2017-09-03
Rated 5 out of 5 by from best portable sound there is I've bought it 2 weeks ago after listening to my friends Onyx2 and fell in love with it. Previously I've owned some smaller portables (Bose Soundlink2 and other) which didn't provide the clarity of sound or the oomph that this one gives just fine. The only down side I could point out is its portability. Yes, you can move it between rooms or take it out to the garden, but taking it to the park or the beach doesn't seem to be the best idea.
Date published: 2017-08-30
Rated 5 out of 5 by from Earlier Onyx Studio Purchased an earlier Onyx Studio at a SPRINT store. As I walked in to the store(approx. 1200 sq ft), music was playing quite loud and I thought that the sound was coming from the store's sound system. The music filled the store with rich bass, not the thump, thump that you commonly hear from this type of speaker. What was even better was that it was on sale due to packaging damage! Should have purchased 2!
Date published: 2017-08-14
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I have a Microsoft Surface Book on Windows 10. I have two HK Onxy 4s. How do I connect both via HK connect? Is it possible? I can do it thru the app on my phone, but I need to do it thru my PC.

Asked by: Cory
The HK connect is a feature that allows you to connect one HK connect device to another HK connect device. Simply connect one HK Onyx studio 4 to your surface book and press the Connect + Button on both the Onyx studio 4 and they should play the same music. On another note, If you use the HK Connect app then you can set the 2 Onyx studio 4 into stereo mode to enjoy music with your Microsoft Surface Book.
Answered by: Mario at Customer Service
Date published: 2017-10-17

If I wirelessly connect two of the Onyx 4 speakers, will I hear stereo separation. 

Asked by: Elle
Once you have connected 2 Harman Kardon Onyx studio 4 speakers.You can switch between party mode or stereo mode by using our HK Connect app, If you wish to know more about this feature, you can call us @ 1-800-422-8027 or submit a case at harmankardon.com/contactus and our Customer Service Team will be glad to assist you.
Answered by: Mario at Customer Service
Date published: 2017-10-17

I have a Onyx 3 , can you tell me whats the difference in the speakers ?

Asked by: pops
The ONYX STUDIO 4 does have a slightly better sound quality. The main difference between the ONYX STUDIO 3 and ONYX STUDIO 4 are the following: Bluetooth Version: ONYX STUDIO 3 - Version 4.1 ONYX STUDIO 4 - Version 4.2 (250% faster and more reliable over-the-air data transmission) Dimension (H x W x D): ONYX STUDIO 3 - 278 mm x 162.8 mm x 258 mm ONYX STUDIO 4 - 260 mm x 278 mm x 159.5 mm (a bit smaller in terms of height but wider) Wireless Feature: ONYX STUDIO 3 - Wireless Dual Sound (can connect 2 speakers with the same feature) ONYX STUDIO 4 - HK Connect+ (can connect up to 100+ HK Connect+ enabled speakers) Weight: ONYX STUDIO 3 – 2071g ONYX STUDIO 4 – 2061g Battery: ONYX STUDIO 3 – 3.7V/2600mAh ONYX STUDIO 4 – 3.7V/3000mAh
Answered by: Mario at Customer Service
Date published: 2017-10-17

can I connect my laptop by bluetooth

Asked by: pops
Yes you can, simply put the Harman/Kardon Onyx Studio 4 into pairing mode and go to your bluetooth settings in your computer to connect to it. Once done, You can play music and enjoy the sound from our Bluetooth speakers.
Answered by: Mario at Customer Service
Date published: 2017-10-17

Can I connect my onyx 4 to my tv by bluetooth?

Asked by: Altan
Yes you can, as long as the TV can connect to any bluetooth device, Simply put the Onyx studio 4 into pairing mode and use your TV's Bluetooth settings to search for the Onyx studio 4 and connect to it.
Answered by: Mario at Customer Service
Date published: 2017-10-17

Hi I do have onxy2 and 3 but still I couldn't figure out what sstands for micro usb hub. behind the spekaers? is for mobile charging(with power bank) or something else ???

Asked by: LVNT
The USB port for the Onyx Studio 2 and 3 is only used for firmware updates, when available.
Answered by: Zoe at Customer Service
Date published: 2017-10-17

How do I pair an Apple iPod with the Onyx Studio 4?

Asked by: philip1213
You might find the answer to your question in our Product Support FAQ and knowledge base sections. The link is located at the top of this page. To submit a support case, please fill out the Contact Us form at the same location.
Answered by: Mario at Customer Service
Date published: 2017-10-17

Can you connect the speaker to your tv with an optical wire or similar?.

Asked by: KimR
Hi No, the only way to connect your TV with an Onyx Studio 4, would be by AUX cable ( 3.5mm jack ) connected to the headphones output of the TV. If you require further assistance, please contact our Customer Support.
Answered by: Kay Harman
Date published: 2017-10-17
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