Harman/Kardon

Harman Kardon Onyx Studio 4

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Item# HKOS4BLKAM
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$179.99179.99 each $449.95 Save $270
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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

Dimensions

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

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)
  • 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.

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1 Year

Products purchased online or from an authorized local retailer and under warranty may qualify for an exchange with a valid receipt.

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Harman Kardon Onyx Studio 4 is rated 4.1 out of 5 by 200.
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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Can i pr this speaker too an Alexa unit?

Asked by: 1DnD
Hi there, you can pair your Alexa unit to our Harman Kardon Onyx studio 4 by pressing and holding the Bluetooth button until the lights flash blue to put it in pairing mode, then go to your device and look for Onyx studio 4 and tap on it to connect to it. If you need more help, please submit a case request so we can assist you: https://www.harmankardon.com/support-contact.html
Answered by: Mario at Customer Service
Date published: 2019-08-08

Can you connect a microphone to it? Blue tooth?

Asked by: Katherin
That's an interesting question, Katherine. Your mobile devices, tablets, or laptops are the sources that can only be connected to the speaker via Bluetooth or through auxiliary but not an external microphone.
Answered by: Kris A
Date published: 2019-08-02

Why does my speaker sound distorted

Asked by: Kristy
Hi Kristy, thanks for posting this question. We may need to troubleshoot your Harman kardon Onyx Studio 4 speaker to find out why it sounds distorted. If you haven't yet, please submit a case request to the link below so we can continue to help you: https://www.harmankardon.com/support-contact.html
Answered by: Zoe at Customer Service
Date published: 2019-07-20

Can't seem to connect with my android phone

Asked by: Robyn
Let's try to troubleshoot your Harman Kardon Onyx Studio 4. We suggest pairing the speaker to your phone by pressing on the Bluetooth button on the speaker — once you see the light blink fast, turn on the Bluetooth on your phone and let it discover the speaker and connect to it. If you are still unable to discover the speaker by doing this, you can reset it by pressing and holding the Volume + and Phone buttons simultaneously for about 5 seconds while the speaker is on. The speaker will then power off, letting you know that it is reset back to its factory default settings. When you turn the speaker on after doing a reset, it should automatically go into pairing mode. Follow the steps above once you see the light blinking to try and pair your phone again. If you continue to experience any issues, let us know and we'll take the next steps: https://www.harmankardon.com/support-contact.html
Answered by: Zoe at Customer Service
Date published: 2019-07-19

Can I connect 2 Onyx Studio 3 with 2 or more Onyx Studio 4?

Asked by: Alexander Munoz
You cannot even connect four Studio 4s together at the best of times ESSPECIALLY WITH THEIR FAULTY HK CONNECT APP! Better off saving yourself alot of heartache and throw this rubbish in the trash where it belongs!
Answered by: Pollyfodder
Date published: 2019-07-02

Hi. My Onyx powering off in exactly 1 minute. I tried to reset by holding both call and volume+ buttons. But it still doing the same thing again. Is anything i can do now? Thanks

Asked by: Michael v
Hi Michael, thanks for asking. Sorry to hear that your Onyx Studio 4 is turning off by itself. Is this also happening when the speaker is plugged in to its charging adapter? If not, it could be a battery issue. Please submit a case request and that we can check for possible options: www.jbl.com/support-contact.html
Answered by: Jemson G
Date published: 2019-08-06

Hi, is it posible to connect 2 onyx studio 4 to a TV using a dual minijack cable to rca in stereo mode?

Asked by: mgibs
Hi there, I understand you want to connect 2 of your Onyx studio 4 to your TV, doing the dual mini jack cable won't make the sound output a stereo sound. If you need further help, please submit a case request and so we can assist you:​ https://www.harmankardon.com/support-contact.html
Answered by: Mario at Customer Service
Date published: 2019-06-11

my onyx 4 wont come on i left it on charger all night and it still wont power on

Asked by: Detvegas
Hi there, we're here to help with your power issues. If you've left it overnight and still haven't powered it up, then we'll need to check on our options. Please submit a case request and so we can assist you:​ https://www.harmankardon.com/support-contact.html
Answered by: Mario at Customer Service
Date published: 2019-06-10
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