Harman/Kardon

Harman Kardon Onyx Studio 4

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Item# HKOS4BLUAM
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$145.99145.99 each $449.95 Save $304
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Additional Information
Providing the perfect balance of great sound and iconic design, the Onyx Studio 4 with its upgraded battery life and premium materials is the epitome of full-featured, room-filling audio.
At a Glance:
  • Wireless Bluetooth Streaming
  • 8 hours of playtime
  • HK Connect+
  • Built-in Microphone Conferencing System
  • Voice Integration
  • Premium Materials
What's in the Box:
  • 1 x Harman Kardon Onyx Studio 4
  • 1 x Power adaptor
  • 1 x Quick start guide
  • 1 x Safety sheet
  • 1 x Warranty card
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.
Product Features:
  • Wireless Bluetooth Streaming
    Stream music wirelessly via Bluetooth to enjoy room-filling sound. Connect up to 2 smart devices at the same time and take turns playing music.
  • 8 hours of playtime
    The rechargeable battery supports up to 8 hours of playtime
  • HK Connect+
    Amplify your listening experience by wirelessly connecting more than 100 HK Connect+ enabled speakers.
  • Built-in Microphone Conferencing System
    Noise and echo cancellation enables crystal-clear conferencing.
  • Voice Integration
    Access Siri or Google Now from the speaker with a simple button press. This can be easily configured via the HK Connect App.
  • Premium Materials
    The superior fabric and finishing combines with iconic design to compliment any style.
Manuals & Downloads:
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
Dimensions:
Dimension (H x W x D): 260mm x 278mm x 159.5mm
Control and Connection Specifications:
Bluetooth version: 4.2
Bluetooth transmitter power
0 - 9dBm
Bluetooth transmitter frequency range
2402MHz - 2480MHz
Bluetooth transmitter modulation
GFSK, π/4 DQPSK, 8DPSK
Battery:
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)
Harman Kardon Onyx Studio 4 is rated 4.1 out of 5 by 114.
Rated 5 out of 5 by from Superb! Update! After 8 months of having a pair of Onix 4's I am even more delighted than I was when I bought first one! If you plan to buy a home hi-fi without breaking a bank, my advice is to buy these. Position them as far away from the wall (to reduce not so controlled bass), remove the grills (to gain 1db in hf range), use app to pair them in stereo mode (for soundstage), tilt them (like studio monitors for imaging) and keep those tweeters at ear level (for detailed sound)... You won't believe what sound quality these bt speakers can produce. Now at 360 USD for a pair (in Europe), I can't find anything even close... Pure madness!
Date published: 2018-08-19
Rated 5 out of 5 by from Awesome Speaker My hubby bought this speaker just to try it out (we usually get Bose), after I suggested he try Harman Kardon since they made speakers for some Mercedes Benz models. This speaker delivers awesome sound quality. The bass is crazy!! (And I mean the good crazy) My sons love it so much they're purchasing their own. I also love that more than one person can connect to the bluetooth at one time, and that you can sync several of these together. Imagine having a party with these babies!! I'm very happy with this purchase. Glad we bought it. Now to try out the headphones.
Date published: 2018-03-31
Rated 2 out of 5 by from Poor Bluetooth connectivity Great audio quality, but poor Bluetooth connectivity. This speaker just support SBC Bluetooth codec, does not support any high quality codecs. To get battery level (on android or apple), you must install HK app, share location, and wait 10 seconds for it to sync, because it creates a separate LE connection for just that. Can you please fix that ? Either implement HFP1.7, or the Apple "Bluetooth Headset Battery Level Indication". If you can't do that, at least use standard LE "Battery Service" rather than custom notification. Please fix the battery level in next firmware update.
Date published: 2017-11-29
Rated 5 out of 5 by from If they could correct battery/charging issues... These would be best in class, period! One "solution" I found for the battery endurance issue was to buy a 20,000 mAh power bank that is capable of 19v output. The one I bought comes with several different size adapters that will plug into the OS4. Power conversion will eat a fair amount of power (unavoidable for ANY power bank), but what is left allows me to run the speaker at full volume for no less than 5 hours! It is as if the speaker were plugged into the wall electrical outlet.
Date published: 2018-08-25
Rated 5 out of 5 by from The Best Bluetooth Speaker No other bluetooth speaker can compare to this masterpiece, perfect sound quality and with the easy link to other speakers, you can create easy surround sound. It's got a price tag, but the bang is worth the buck. The only problems I've experienced is an every once in a while skipping type sound. It's not my music I think, but I'm going to look into it. The speaker is still worth it overall, as I said, literally nothing can compare to this speaker.
Date published: 2017-12-26
Rated 5 out of 5 by from Great mid-range bt speaker! In Europe is priced at 200 euros and it's hard to find anything better in that price range. Balancing it with some eq is a must, otherwise bass is way too overwhelming, mids are recessed and highs are not well pronounced... But when you play with it for a few days, man it shines! Nice sound stage, punchy bass, good mids, solid highs and even some stereo separation... Planing to buy another one these days. That should be impressive!
Date published: 2018-01-16
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 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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Hi I am planing to purchase 2 of them, put them on pair mode and listen to my laptop. Is it possible witouth HK mobile app? Can i listen thru 3.5mm jack? If yes, i will use only one jack for both speakers?

Asked by: Ggg7
The pairing mode of 2 Harman Kardon Onyx Studio 4 is only possible through the HK Mobile app if you mean to do it wirelessly. But you can connect a 3.5mm splitter cable to your laptop and connect the speakers with audio cables on each end to get them to play together. You would, however, only be able to get a mono-stereo sound this way.
Answered by: Rhae C
Date published: 2018-09-12

Can I stream music from padora on my iPad to this speaker?

Asked by: Maggie
Yes, you can. There should be no problem streaming music from Pandora or any music app from your phone thru the Harman Kardon Onyx Studio 4, as long it's connected to the speaker via Bluetooth.
Answered by: Rhae C
Date published: 2018-09-12

Can I use the dual sound and pair the 3 and the 4? Just bought the 4 to pair with my 3 and can't get them to connect

Asked by: Miller
Unfortunately, you would not be able to pair a Harman/Kardon Onyx Studio 3 with an Onyx Studio 4. This is because the Dual Wireless Sound featured in the Onyx Studio 3 only gives you the capability to connect to a second Onyx Studio 3. And the Onyx Studio 4 has a different connect feature called HK Connect that uses an app to connect the speaker to another speaker that has the same feature.
Answered by: Rhae
Date published: 2018-09-11

Can I use this speaker as a surround sound for my television? 

Asked by: CHRIS8455
We would suggest using a true home theater system with surround sound since these speakers can only do Stereo and not a complete surround sound system.
Answered by: Mario at Customer Service
Date published: 2018-09-10

My friend has an HK Onyx Studio 3 and I have an HK Onyx Studio 4. Is there a way for us to link our speakers so they play music from the same device?

Asked by: eunit
Hi! Unfortunately, the Onyx Studio 4 uses Connect+ feature while the Onyx Studio 3 has the dual wireless sound feature. You cannot connect the two speakers because they use a different software in connecting speakers.
Answered by: Nick F
Date published: 2018-09-06

My HK is not paring with a bluetooth capable Pioneer Mini CD stereo system.  What am I doing wrong?

Asked by: Loby
Please make sure that the CD stereo system is capable of connecting to a Bluetooth speaker, If it is, please put the Onyx Studio 4 into pairing mode by pressing and holding the bluetooth button for 3-5 seconds.Then go to the bluetooth devices of your CD stereo system and connect to the Onyx studio 4.
Answered by: Mario at Customer Service
Date published: 2018-09-04

Even after fully charging, it shuts off after only 1.5-2 hours of play at a reasonably loud volume - the power button flashes red. If I turn it off 10-20 mins, then turn it back on, it works again. Is mine defective? Can you tell me what it might be?

Asked by: pboston
We would like to work with you directly to help you with your issue. Please submit a case request at https://www.harmankardon.com/support-contact.html and the Customer Service Team will be more than happy to assist you.
Answered by: Mario at Customer Service
Date published: 2018-09-04

Are the legs on the Onyx Studio 4 removable or not?? I noticed a response from Mark in customer service to Annoyedite stated yes, while a response from Aj in customer service to measy11 stated no. Which is the actual case concerning this?

Asked by: MG1234
Simply put, It's only removable by our authorized service centers. It can't be easily removed and requires an authorized technician to do it.
Answered by: Mario at Customer Service
Date published: 2018-09-05
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