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Onyx Studio 3


Portable Bluetooth Speaker

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A beautiful and powerful audio performance

Crafted with high-end materials, the Harman Kardon Onyx Studio 3 is a full-featured, portable Bluetooth speaker that delivers powerful audio with the iconic Harman Kardon design. You can enjoy music up to 5 hours of playtime thanks to the rechargeable battery and wirelessly connect two Harman Kardon Wireless Dual Sound enabled speakers together to elevate your music listening experience. Users will be able to make clear phone calls with the speaker from its built-in microphone which is powered by noise and echo cancelling technology. The exquisite design will enhance the style and compliment any room.


General Specifications

Bluetooth® transmitter modulation GFSK,π /4 DQPSK, 8DPSK
Dimensions (H x W x D) in (mm) 278.0 x 162.8 x 258.0
Rated power 4x15W(AC mode); 4x7.5W(Battery mode)
Battery charge time 5hours
Bluetooth transmitter frequency range 2402MHz - 2480MHz
Signal-to-Noise Ratio 80dB A-weighted
Bluetooth version 4.1
Battery type 3.7V/2600mAh Lithium-ion
Power supply 19V/2A
Music playing time up to 5hours (Varies by volume level and music content)
Bluetooth transmitter power 0 - 9dBm
Support A2DP 1.3 AVRCP 1.5 HFP 1.6
Weight (g) 2071g

Audio Specifications

Frequency Response 50Hz-20kHz(-6dB)
Transducers Woofer 2 x 75mm, Tweeter 2 x 20mm
Click here for a complete list of all specs for this product

Spec Sheet (EN)

English 1 MB
  • 1x Harman Kardon Onyx Studio 3
  • 1x Power adaptor
  • 1x Quick start guide
  • 1x Safety sheet
  • 1x Warranty card
Onyx Studio 3 is rated 4.6 out of 5 by 78.
Rated 5 out of 5 by from Onyx studio 3 It's a great speaker..........but after I purchased it I found it much cheaper else where.
Date published: 2017-03-21
Rated 5 out of 5 by from Excellent quality I have 2 speakers and I have experienced a great dual sound quality, nice product
Date published: 2017-03-07
Rated 5 out of 5 by from Awesome I have the 1 first generation and 3 rd generation I m so happy for the quality sound
Date published: 2017-02-28
Rated 5 out of 5 by from Perfect sound for any music genre I mainly listen to jazz and heavy metal and oh boy does the OS3 deliver on the sound quality. You can hear every instrument clearly, every note, every chord. Such a fanboy for harman/kardon products from the date i bought this.
Date published: 2017-02-21
Rated 5 out of 5 by from Great sound I have been using this device for only a matter of days. It is fantastic, great sound, brilliant build. I would recommend completely. The only problem is that the Bluetooth tends to be poor at very close range. (50cm) however this is no problem realy as further away is okay. (-:
Date published: 2017-01-25
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My onyx studio 2 does not stay on after removing the plug, even after it's been plugged in all night. Does it matter if it is on or off when plugged in to charge?

Asked by: Barbara P
The ONYX STUDIO 3’s LED indicators are ON when charging, and turns off when fully-charged. It is possible that the speaker has an issue and is not taking a charge, thus shutting down when un-plugged. If this is the case, please submit a case at www.harmankardon.com/support-contact.html and the Customer Service team will be more than happy to assist you.
Answered by: Joe G at Customer Service
Date published: 2017-03-24

I've had mine about 2years and it just stopped working the other day. Will Not Operate via Battery or while plugged in. Power Will not come on. Tried multiple outlets - any other tips to check?

Asked by: KPTOMORY
It seems like your ONYX STUDIO 3 has bad power supply or the connector is bad. Try using a different charging cable and a different power source. If this cannot be prevented, please submit a case at www.jbl.com/contact-support.html and our customer service team will be glad to assist you.
Answered by: Erik at Customer Service
Date published: 2017-03-24

While charging the onyx s3, there is no indication showing that the unit is charging or is finally charged. How do you know how long to charge this?

Asked by: Planetantonio
The white light indicator on the power button would stay constantly lit when the ONYX STUDIO 3 reaches full charge. While the battery charge time for the ONYX STUDIO 3 from 0-100% is estimated at 5-hours. Please know that it is healthier for the speaker to receive small frequent charges whenever possible rather than 0-100% in one go.
Answered by: Miko at Customer Service
Date published: 2017-03-24

Is it ok to leave the speaker on continuously all day, even if it's not playing anything.

Asked by: Nickkk
Yes, leaving the ONYX STUDIO 3 plugged in even if it’s not playing will not harm the battery nor the speaker itself.
Answered by: Joe G at Customer Service
Date published: 2017-03-24

Is stereo playback through 2 onyx studio 3 speakers possible?

Asked by: hughgotit
Using the ONYX STUDIO 3's Wireless Dual Sound feature would play two speakers off the same source but will remain as two stereo speakers playing at the same time rather than separate Right and Left channels.
Answered by: Miko at Customer Service
Date published: 2017-03-26

I have the white one. Do you know where i could find the cover to replace the one on mine now? Its extremely dirty and i want to replace just the cover.

Asked by: MeliCakes
Please submit a case at www.harmankardon.com/support-product.html and our Customer Service team will be glad to assist you.
Answered by: Miko at Customer Service
Date published: 2017-03-13

Hello, when I use my OS 3 on battery, is there any difference in EQ compared to AC (e.g. lower bass), or is it just noticeable in loudness? Another Q: if I'm listening through Bluetooth. with 320kbs source, how much does quality drop due to compression?

Asked by: Bálint
Yes. The ONYX STUDIO 3 has a rated power of 4 x 15W (AC mode) and 4 x 7.5W (Battery mode). Streaming audio via Bluetooth requires additional compression, and as a general rule, the more processing the audio signal goes through, sonic quality gets sacrificed. It is best to use a wired connection whenever possible. While newer Bluetooth technology allows minimal loss of quality, a wired connection ensures uninterruptible connection that Bluetooth is susceptible to.
Answered by: Joe G at Customer Service
Date published: 2017-03-24

How do I connect my three speakers to play the same? And does all three have to play at the same volume?  Maybe an app to control that would be good.

Asked by: Markusbarrig
Unfortunately, the Wireless Dual Sound feature of the ONYX STUDIO 3 only allows connection of up to two speakers. Follow these steps in initiating the wireless dual sound feature: 1. Pair your device(i.e Phone, Laptop, Etc...) to your ONYX STUDIO 3. 2. Once the device is paired, switch the other speaker ON. 3. Press and hold the Bluetooth button on the ONYX STUDIO 3 that is paired with your device for at least 7-10 seconds or until you see the bluetooth button blink initiating wireless dual pairing mode. 4. Go to the other speaker and perform step 3. 5. You will hear a notification sound if both speakers have been paired together.
Answered by: Joe G at Customer Service
Date published: 2017-03-24
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