Harman/Kardon

Harman Kardon Onyx Studio 4

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Item# HKOS4BLKEU
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£199.99199.99 each

In stock. Estimated delivery time 2-4 business days

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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Harman Kardon Onyx Studio 4 is rated 4.2 out of 5 by 333.
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 White 4 looks great I've got onxy 2 3 4 all sounds the same and looks identical look out for 5 next year it will do the same just a name change and price hype so by earlier model when price will be massively reduced. Also brought two sound sticks 111 one come with Bluetooth acsess and other one only works with RAC jack lead same price so be careful when dealing with online shop but still a great product be careful you don't get stitched up.
Date published: 2017-12-30
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
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On bluetooth, when I select : "Speakers (HK Onyx Studio 4 stereo)" > the pairing is faulty, always on and off. When I select "Headset Earphone (HK Hands-Free) > pairing is correct for minutes and disconnect. Speaker removed and reconnect many times

Asked by: Chebby
Hi, please try to see if pairing the HK Onyx studio 4 to other phones/ tablets does the same thing. If it does, please try to reset the Onyx Studio 4 by pressing and holding the Vol + and the Phone button at the same time until the unit powers off. Don't forget to remove the device from your phones's bluetooth list before you pair again. If it still occurs, 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: 2019-05-12

hi mine only plays in mono when using the aux input. is there something wrong?

Asked by: kjell
We would like to get more information to help you out, 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: 2019-05-10

I've had my studio for about a year don't play it a lot now when I try to charge it the blanks red 5 * 2 times fast 3 * 2 times fast 556 hours still no charge

Asked by: 55rr
We would like to get more information to help you out, have you tried to use a different charger? 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: 2019-05-10

Mein HK Onyx geht immer nach ca 20 Minuten automatisch in den Standby-Modus (Musik ist dann weg) . Kann man das abstellen?

Asked by: Piwi
Vielen Dank für Ihre Kontaktaufnahme. Da Ihre Anfrage eine Fehlerbehebung durch unsere Produktspezialisten erfordert, möchten wir Sie bitten den Harman Kundendienst per Telefon, Email oder Chat zu kontaktieren um Ihnen mit dem Anliegen zu helfen. Bitte finden Sie weitere Informationen unter https://de.harmanaudio.com/support-contact.html#ns. Vielen Dank.
Answered by: MichaG
Date published: 2019-05-09

How come my speakers cuts in and out? Could it be because it's low on battery?

Asked by: Gio2579
It's possible that your speaker is far from your source/phone. Please try to put the device near the HK Onyx studio 4 and see if that helps, otherwise 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: 2019-05-04

Mijn Onyx kraakt bij hogere belasting. Kan de woofer(s) het begeven hebbeb

Asked by: PvGa
Om uw vraag goed te kunnen beantwoorden, zouden onze productspecialisten graag nog wat probleemoplossing proberen. Daarom verzoeken we u vriendelijk om rechtstreeks contact op te nemen met het Harman Customer Support team via telefoon, e-mail of chat. Meer informatie vindt u op https://www.harmanaudio.nl/support-contact.html Dank u voor uw medewerking.
Answered by: Anonymous
Date published: 2019-04-10

Hej, Jeg har for nyligt købt mig en Onyx Studio 4, til det formål at tilslutte den til min projektor, da den har aux stik. Men jeg oplever mange udfald med lyden. Er der noget der kan gøres ved det?

Asked by: Mikkel Emil
Hej Mikkel, Tak for dit spørgsmål. Du kan sagtens tilslutte højtaleren via AUX input port, men du skal sørge for at lyden på projektoren er skruet HELT op til MAX også justerere lyden på højtaleren istedet for. Prøv at se om det virker bedre for dig eller os kontakt vores kundeservice på customer.support@harman.com
Answered by: Danny HARMAN
Date published: 2019-04-08

Hallo, Welches Ladegerät Modell benutz den Harman Kardon Kardon Onyx Studio 4? Meins ist kaputt gegangen, und brauche einen neuen zu kaufen.

Asked by: Ricardo12
Vielen Dank für die Anfrage. Sie können das Netzteil direkt in unserem Shop bestellen: https://www.harmankardon.de/lautspecher/FG81-ADT190-200GC-.html?cgid=speakers&dwvar_FG81-ADT190-200GC-_color=Black--Current#brwseAll=true&start=1 Vielen Dank.
Answered by: MichaG
Date published: 2019-04-02
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