Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Hero
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Front
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Back
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Left
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Right
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Top
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Bottom
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Detailshot 1
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Detailshot 2
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Detailshot 10
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Hero
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Hero
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Front
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Back
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Left
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Right
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Top
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Bottom
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Detailshot 1
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Detailshot 2
Harman Kardon Onyx Studio 9 - Grey - Portable stereo Bluetooth home speaker - Detailshot 10
Harman/Kardon

Harman Kardon Onyx Studio 9

Details
Variations

Portable stereo Bluetooth home speaker

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Superior sound performance with a wider soundstage

Get lost in your music with our new Constant Sound Field technology. The three-channel system, featuring a dedicated center channel for crystal-clear vocals surrounded by two specially designed tweeters, delivers a wider soundstage. This immersive experience brings your favorite songs to life all around you.

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Iconic design

The Harman Kardon Onyx Studio 9 has a clean, circular design that looks great everywhere. The integrated aluminum frame doubles as a sturdy handle and stand, the soft but durable fabric looks sharp and feels nice, while the easy-to-use silicon buttons on top give you quick control.

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Bluetooth music streaming

The Harman Kardon Onyx Studio 9 pairs seamlessly with up to two mobile devices simultaneously. Take turns sharing playlists and music, all in enhanced, dynamic sound.

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Multi-speaker connection by Auracast™

The Onyx Studio 9 features multi-speaker connection via Auracast. By pressing the Auracast button on the speaker or using the Harman Kardon ONE app, you can connect two or more Harman Kardon speakers (or compatible speakers from other brands) to transform any space into an exciting musical environment. Effortlessly synchronize as many speakers as you want and create an immersive audio experience.

Harman Kardon Onyx Studio 9

Built-in battery

With its rechargeable built-in battery, you can enjoy the Harman Kardon Onyx Studio 9 anywhere in your home, and easily transport it from one room to another for up to 8 hours of playtime

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Self-Tuning

Enjoy perfect sounds wherever you take the music. When you power on, the Onyx Studio 9 automatically calibrates to its environment, ensuring the best sound possible no matter where you set it down.

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Boost stereo sound with two speakers

Quickly and easily turn up the celebration with a wider, more detailed soundstage by pairing two Onyx Studio 9 speakers together, wirelessly.

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USB Charging port

Never worry about your mobile device running out of juice while you're streaming your favorite audiobook. The USB charging port means you and your device will always be ready for anything.

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Harman Kardon One App

The Harman Kardon One app helps you easily set up the Onyx Studio 9 personalize audio settings. You can also customize EQ and control all your compatible speakers in one convenient place.

Where sound becomes experience

Elevate your everyday listening to an extraordinary sound experience with the Harman Kardon Onyx Studio 9. This elegant wireless Bluetooth movable home speaker delivers superior audio performance with crystal-clear vocals, bright highs, and deep bass that make your favorite music feel thrillingly immersive. Constant Sound Field technology widens the soundstage and improves the clarity and detail of your music. The substantial integrated handle (made with 90% recycled aluminum) and built-in battery with 8 hours of playtime make the Onyx Studio 9 easy to move with you in and around your home, and a built-in USB port recharges your device while you enjoy your music. And thanks to automatic self-tuning, it always delivers the best possible sound performance wherever you set it down.

Item# HKOS9GRYAS

General Specifications

Rated Output power 50W RMS
Power supply 100-240Vac, 50Hz/60Hz

Audio Specifications

Transducers Woofer 1 x 120mm, Tweeter 3 x 20mm
Frequency response 50Hz - 20kHz (-6dB)
Signal-to-noise ratio > 80dB

Dimensions

Product dimensions (W x H x D) 289.2 x287.5 x 130 mm / 11.39" x 11.32" x 5.12"
Packaging dimensions (W x H x D) 312 x 322 x 172 mm / 12.28" x 12.67" x 6.77"
Net weight 4.2kg / 9.25 lbs
Gross weight 3.33kg / 7.34lbs

Control and Connection Specifications

Bluetooth version 5.3
Bluetooth profile A2DP 1.4, AVRCP 1.6
Bluetooth transmitter frequency range 2400MHz - 2483.5MHz
Bluetooth transmitter power ≤ 12 dBm (EIRP)
Bluetooth transmitter modulation GFSK, π/4 DQPSK, 8DPSK
USB port Type C
USB rating 5V / 2.1A (Max)
Supporting file format mp3

Battery

Battery type Li-ion 17.14 Wh (equivalent to 3.63 V/ 4722 mAh)
Battery charge time 4 hours
Music play time up to 8 hours (dependent on volume level and audio content)
Cable type AC power cable (type varies by regions)
Cable length 2.0 m / 6.6 ft
USB charge out 5V / 2.1A (Max)
Click here for a complete list of all specs for this product

Spec Sheet (English)

English 417 KB
  • 1 x Harman Kardon Onyx Studio 9
  • 1 x Power Cable
  • 1 x Quick Start Guide
  • 1 x Safety Sheet
  • 1 x Warranty Card
product box
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Onyx Series

\n

Note: This action will erase all settings and Bluetooth data from the device. You will be required to pair and connect to your devices again after this action is done. 

\n

 

\n
\nOnyx\n
  1. Turn the speaker ON
  2. Press and hold the Bluetooth & Power button for more than 3 seconds
  3. The speaker will power off and be factory reset
\n
\n

 

\n
\nOnyx Mini, Onyx Studio 2, Onyx Studio 3, Onyx Studio 4\n
  1. Turn the speaker ON
  2. Press and hold the Volume (+) & Phone button for more than 3 seconds
  3. The speaker will power off and be factory reset
\n
\n

 

\n
\nOnyx Studio\n
  1. Turn the speaker ON
  2. Press and hold the Volume (-) & Bluetooth button for more than 3 seconds
  3. The speaker will power off and be factory reset
\n
\n

 

\n
\nOnyx Studio 5, Onyx Studio 6, Onyx Studio 7, Onyx Studio 8, Onyx Studio 9\n
  1. Turn the speaker ON
  2. Press and hold the Volume (+) & Bluetooth button for more than 5 seconds
  3. The speaker will power off and be factory reset
\n
\n

 

","Answer__c":"

Onyx Series

\n

Note: This action will erase all settings and Bluetooth data from the device. You will be required to pair and connect to your devices again after this action is done. 

\n

 

\n
\nOnyx\n
  1. Turn the speaker ON
  2. Press and hold the Bluetooth & Power button for more than 3 seconds
  3. The speaker will power off and be factory reset
\n
\n

 

\n
\nOnyx Mini, Onyx Studio 2, Onyx Studio 3, Onyx Studio 4\n
  1. Turn the speaker ON
  2. Press and hold the Volume (+) & Phone button for more than 3 seconds
  3. The speaker will power off and be factory reset
\n
\n

 

\n
\nOnyx Studio\n
  1. Turn the speaker ON
  2. Press and hold the Volume (-) & Bluetooth button for more than 3 seconds
  3. The speaker will power off and be factory reset
\n
\n

 

\n
\nOnyx Studio 5, Onyx Studio 6, Onyx Studio 7, Onyx Studio 8, Onyx Studio 9\n
  1. Turn the speaker ON
  2. Press and hold the Volume (+) & Bluetooth button for more than 5 seconds
  3. The speaker will power off and be factory reset
\n
\n

 

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Onyx Studio 9

\n

Software Update Release Notes

\n

------------------------------------------------------------------------

\n

Version:  2.9.0

\n

Release Date: August 19th, 2025

\n

Release Media: OTA (over the air) Automatic Update through HK One App

\n

 

\n

What’s New

\n
  1. Performance and general software improvement
\n

 

","Answer__c":"

Onyx Studio 9

\n

Software Update Release Notes

\n

------------------------------------------------------------------------

\n

Version:  2.9.0

\n

Release Date: August 19th, 2025

\n

Release Media: OTA (over the air) Automatic Update through HK One App

\n

 

\n

What’s New

\n
  1. Performance and general software improvement
\n

 

","ArticleType":"How_Tos__kav"}]}

FAQs