Onyx Studio 3

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Additional Information
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.
At a Glance:
  • Wireless Bluetooth Streaming
  • Rechargeable Battery
  • Built-in Microphone Conferencing System
  • Wireless Dual Sound
  • Premium Materials
What's in the box:
  • 1x Harman Kardon Onyx Studio 3
  • 1x Power adaptor
  • 1x Quick start guide
  • 1x Safety sheet
  • 1x Warranty card
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.
Product Features:
  • Wireless Bluetooth Streaming
    Stream music wirelessly via Bluetooth to enjoy room-filling sound. Connect up to 3 smart devices at the same time and take turns playing music.
  • Rechargeable Battery
    Built-in rechargeable Li-ion battery supports up to 5 hours of playtime.
  • Built-in Microphone Conferencing System
    Harman noise and echo cancelling technology delivers crystal clear conference calls.
  • Wireless Dual Sound
    "Wirelessly connect two Harman Kardon Wireless Dual Sound enabled speakers to elevate your music listening experience."
  • Premium Materials
    Fabric finishing compliments this iconic design and adds style when you’re on-the-go.
Manuals & Downloads:
General Specifications:
Bluetooth® transmitter modulation
Rated power
4x15W(AC mode); 4x7.5W(Battery mode)
Battery charge time
Bluetooth transmitter frequency range
2402MHz - 2480MHz
Signal-to-Noise Ratio
80dB A-weighted
Bluetooth version
Battery type
3.7V/2600mAh Lithium-ion
Power supply
Music playing time
up to 5hours (Varies by volume level and music content)
Bluetooth transmitter power
0 - 9dBm
A2DP 1.3 AVRCP 1.5 HFP 1.6
Weight (g)
Audio Specifications:
Frequency Response
Woofer 2 x 75mm, Tweeter 2 x 20mm
Dimensions (H x W x D) in (mm)
278.0 x 162.8 x 258.0
Onyx Studio 3 is rated 4.5 out of 5 by 94.
Rated 5 out of 5 by from A must have speaker After compared both Bose & HK, finally decided to go with HK. Bass is perfect. Not too much, but not too crisp. Sound is obviously powerful. Clarity is okay, but if HK can make the acoustic clearer, nothing can beat it ! In addition that I love the design, I'm impressed that HK provides 1 adapter with so many cables for all types of outlet. I won't have to worry to look for new cables!
Date published: 2017-01-12
Rated 5 out of 5 by from Easy to set up. Awesome sound I have 2 onyx 3 speakers. After hearing one I had to pair it up. So I bought 2. I've been sitting in Newport Beach all morning in a little over five hours my speaker went dead. Used my cigarette lighter outlet in my truck and plugged the speaker in and it worked. I thought you could only use the AC power outlet from home etc. Anyways, sound is awesome. I paid 150 apiece forum well worth the money
Date published: 2016-10-23
Rated 5 out of 5 by from Perfect Speaker I have only had the speaker a week and I LOVE IT! Perfect for my dorm room, me and my roomate share it. The battery is slightly better than the 2nd version but overall it still produces grat sound
Date published: 2016-06-01
Rated 5 out of 5 by from Absolutely Amazing I found these speakers when having my phone repaired at the Sprint store. There was one playing on it's on, the associate linked another to it and the store came alive. The way it filled the room with such Ambiance was truly remarkable. Put my order in for 2 of them and my tablet as well. Couldn't be more pleased with the purchase!
Date published: 2016-12-31
Rated 5 out of 5 by from Exellente Sound. My wife purchased 2 of this speakers and the sound is amazing!!! This had been the greatest gift i ever receive for father's day!
Date published: 2017-06-19
Rated 5 out of 5 by from This is an awesome speaker! I love this harmon kardon 3! I use it all the time. Only one problem i have, is getting two of the hk3 to pair for the dual sound.... Please help me with that, would love to enjoy the dual sound. Ps yes i had to buy two of them :)
Date published: 2016-09-23
Rated 5 out of 5 by from Bluetooth dual speaker feature is awesome. But.. Help needed!! I have 2 onyx3 sync together. And both makes great sound. BUT one speaker sound much lower then the other. It is not balanced. Is there anyway I can fix this problem?
Date published: 2016-10-15
Rated 5 out of 5 by from omg the sound is awesome its just so perfect for a speaker ! I love it ! best sound I have ever heard
Date published: 2017-06-09
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How do I charge my Harman kardon onxy studio 3

Asked by: Bobb
Plug the power cable that came with your ONYX STUDIO 3 at the back then plug it on a wall outlet. Charging time is 5 hours.
Answered by: Drin at Customer Service
Date published: 2017-06-30

Where is the best place to place my Onyx Studio 3 in a room? Directly in front of a wall?

Asked by: EricAnthony
The optimal place to position the ONYX STUDIO 3 is on top of a table so that it has proper sound dispersion. You may experiment where to place the speakers and let your ears be the judge.
Answered by: Miko at Customer Service
Date published: 2017-06-07

My iPhone connected easily by just going to my Bluetooth settings & sounds great; however, my MacBook Pro does not see it. Any suggestions?

Asked by: elbow949
When trying to pair, make sure that the ONYX STUDIO 3 is on pairing mode. To do this, while the speaker is on, press the Bluetooth button and the light indicator should start blinking and an tone will be heard indicating that the unit is ready to be paired. Re-check on your MacBook and you should now be able to detect the ONYX STUDIO 3.
Answered by: Joe G at Customer Service
Date published: 2017-06-16

How many Bluetooth devices can connect to the Onxy Studio 3 simultaneously?

Asked by: AFJGrp
The ONYX Studio 3 can only stream from one source at a time. Up to 3 source devices can connect to it, but needs to take turn playing music. The Onyx Studio 3’s dual sound feature, allow another compatible speaker (only one) to link to it and play same source wirelessly The GO+PLAY MINI, ONYX MINI, and ONYX STUDIO 3 comes with the dual sound feature, please refer to the instruction guide for setting up this feature.
Answered by: Erik at Customer Service
Date published: 2017-04-05

How to connect the onyx studio 3s together

Asked by: Jacktheripper
Steps on performing Dual Wireless Sound for Onyx Studio 3. Designate your two Onyx Studio 3s as Speaker A and Speaker B. Pair SpeakerA to your bluetooth device (e.g Smartphone, Tablet) Once SpeakerA is paired, Press and hold bluetooth button for 10 seconds until it makes a distinct sound, indicating Dual Wireless Sound has been activated along with bluetooth button led flashing. On SpeakerB, Press and hold the bluetooth button to initiate pairing. Once you hear both speakers make a distinct sound indicating they are both paired and bluetooth led are solid, it means that the two speakers are in Dual Wireless Sound mode.
Answered by: Joe G at Customer Service
Date published: 2017-05-06

I have had the Onyx 2 for a while and recently purchased the Onyx 3. Can you tell me the differences in the two versions?

Asked by: GilC
The ONYX STUDIO 3 and ONYX STUDIO 2 have identical drivers and are both rated at 60W. The difference is, if the ONYX STUDIO 3 is running on battery, it will only output half of that rated wattage (half as loud) to save battery. You can only use the full 60W when running with the power cable plugged in. Secondly, the ONYX STUDIO 3 offers Wireless Dual Sound. This allows two ONYX STUDIO 3’s to wirelessly connect to each other, or to the GO+PLAY and ONYX MINI, to play music out of them simultaneously.
Answered by: Miko at Customer Service
Date published: 2017-05-01

As asked here before: Are there any plans for future firmware update or similar, to be able to separate left and right audio channels when using dual speakers via bluetooth. This is what I bought the system for in the first place.

Asked by: GlennRor
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. There is no information yet as to when or if there is an update regarding your inquiry. This information is conveyed to the proper department for future updates and product improvements. Please subscribe to our newsletter for product updates and releases.
Answered by: Miko at Customer Service
Date published: 2017-03-09

I have one Onyx Studio and one Onyx Studio 3 and would like to know if they can play at the same time connected to the same computer. Right now the bluetooth setting shows them both as connected but I get the sound only out of one of them .

Asked by: Ozzie
Unfortunately, you cannot play music from the speakers at the same time. The ONYX STUDIO does not have the Wireless Dual Sound feature of the ONYX STUDIO 3.
Answered by: Miko at Customer Service
Date published: 2017-03-07
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