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Item #:
115782621
Harman Kardon Onyx Studio 9 - Portable Stereo Bluetooth Home Speaker with Built-in Battery and USB Charging, self-Tuning, and Multi-Speaker
86% of respondents would recommend this to a friend
Item #:
115782621
€ 218
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
17%
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Imported from USA store
QTY:
Order now and get it around Saturday, August 01
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What Stands Out
Portable Design
The Harman Kardon Onyx Studio 9 boasts a sleek, portable design, allowing you to enjoy high-quality sound anywhere. Its lightweight build makes it easy to carry, enhancing user convenience.
Multi-Speaker Connection
With Auracast technology, this speaker allows seamless connection to multiple devices, enabling a richer sound experience. Users can easily sync with other speakers for a dynamic audio environment.
Self-Tuning Audio
The innovative self-tuning capability adjusts sound performance according to the environment, ensuring optimal audio quality. This feature addresses common sound distortion issues, delivering crystal-clear audio in any space.
Product Details
- 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.
- 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
- 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.
- 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.
- 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.
- Harman Kardon One App: The Harman Kardon One app helps you easily set up the Onyx Studio 9 and personalize audio settings. You can also customize EQ and control all your compatible speakers in one convenient place.
| Audio Output Mode | Stereo |
| Mounting Type | Floor Standing |
| Enclosure Material | Metal |
| Speaker Type | Portable Speaker |
| Additional Features | Built-In Powerbank, Lightweight, Multi Room Audio, Portable, USB Port |
| Antenna Location | For Smartphones or Tablets, For Computers, For Televisions |
| Color | Black |
| Is Waterproof | False |
| Control Method | App |
| Speaker Size | 13 Centimeters |
| Specific Uses For Product | Home entertainment, Portable, Multi-room audio |
| MP3 player | No |
| Battery Average Life | 8 Hours |
| Frequency Response | 20000 KHz |
| Number of Audio Channels | 3.0 |
| Signal-to-Noise Ratio | 80 dB |
| Connectivity Technology | Bluetooth, USB |
| Wireless Technology | Bluetooth |
| Connectivity Protocol | Bluetooth, USB |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 13 Centimeters |
| Brand | Harman Kardon |
| Model Number | HKOS9BLKAM |
| Model Name | HK Onyx Studio 9 |
| Built-In Media | 1 x Harman Kardon Onyx Studio 9, 1 x Safety Sheet, Power Cable, Quick Start Guide, Warranty Card |
| Number of Items | 1 |
| UPC | 028292291104 |
| Manufacturer | Harman Kardon |
| Speaker Maximum Output Power | 50 Watts |
| Unit Count | 1.0 Count |
| Item Dimensions D x W x H | 5.12"D x 11.39"W x 11.32"H (13 x 28.9 x 28.8 cm) |
| Item Weight | 9.41 Pounds (4.27 kg) |
| Compatible Devices | Desktop, Laptop, Smartphone, Tablet |
| Power Source | Battery Powered |
| Number of Batteries | 1 9V batteries required. |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
What's in the box
1 x Harman Kardon Onyx Studio 9
Power Cable
Quick Start Guide
1 x Safety Sheet
Warranty Card
Who Should Buy?
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Travel Enthusiasts
Perfect for those who need portable audio on the go, offering battery and durable design.
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Home Entertainment
Ideal for enhancing movie nights or music experiences with high-quality sound and easy connectivity.
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Social Gatherings
Great for parties or outdoor events, allowing multiple speakers to connect for a fuller sound.
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Budget Shoppers
Not suitable for those looking for a more affordable speaker option with fewer features.
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High-Volume Users
May not meet requirements for users needing extremely high volume levels for large spaces.
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Simplicity Seekers
Less ideal for users who prefer straightforward, basic speakers without advanced features or settings.
Product Description
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Customer Questions & Answers
-
Question:
What are the key features of the Harman Kardon Onyx Studio 9?
Answer: The Harman Kardon Onyx Studio 9 is loaded with impressive features, including a powerful stereo Bluetooth speaker design, a built-in rechargeable battery for portable use, and USB charging capabilities. This model boasts self-tuning technology that optimizes sound quality based on your environment. Additionally, it supports multi-speaker connection, allowing you to pair it with other compatible devices for an immersive audio experience. These features make it ideal for both home use and outdoor gatherings. -
Question:
How does the self-tuning feature work?
Answer: The self-tuning feature of the Harman Kardon Onyx Studio 9 automatically adjusts the sound output based on your surroundings. It employs advanced algorithms to analyze the acoustics of the space, ensuring that you receive the best audio quality regardless of where you're using it. This feature is particularly beneficial in varying environments, such as in a cozy living room or outdoors. By tuning itself, the Onyx Studio 9 delivers a consistently rich sound experience. -
Question:
Can multiple Harman Kardon Onyx Studio 9 speakers be connected together?
Answer: Yes, the Harman Kardon Onyx Studio 9 allows for multiple speaker connections via Bluetooth. This means you can link several Onyx Studio 9 speakers to create a synchronized audio environment, enhancing the listening experience for larger spaces or gatherings. For instance, you can connect units in different rooms or even outdoors, ensuring a seamless audio flow for parties or movie nights, where music fills each corner of your space. -
Question:
How long does the built-in battery last on the Onyx Studio 9?
Answer: The built-in battery of the Harman Kardon Onyx Studio 9 offers several hours of playback time on a single charge, allowing you to enjoy music wirelessly without worrying about power sources. This endurance makes it perfect for outdoor events, picnics, or simply moving from room to room in your home. Regardless of where you are, you can count on the Onyx Studio 9 to provide uninterrupted music for your enjoyment. -
Question:
What types of devices can connect via Bluetooth to the Onyx Studio 9?
Answer: The Harman Kardon Onyx Studio 9 supports Bluetooth connectivity with a wide range of devices, including smartphones, tablets, computers, and even smart TVs. This versatility allows you to stream music, podcasts, or any audio content directly from your device. Whether you're hosting a gathering or just want to enjoy music while cooking, its ability to connect to various devices makes it a convenient option for all users. -
Question:
Is the Harman Kardon Onyx Studio 9 suitable for outdoor use?
Answer: The Harman Kardon Onyx Studio 9 is indeed suitable for outdoor use due to its portable design and built-in battery. Its durable exterior ensures that it can handle various outdoor conditions, making it ideal for beach trips, camping, or backyard barbecues. You can take your music wherever you go without sacrificing sound quality, turning any outdoor gathering into a lively event with great audio. -
Question:
What sound features does the Onyx Studio 9 include?
Answer: The Harman Kardon Onyx Studio 9 comes equipped with advanced audio features such as deep bass enhancement and clear high frequencies, providing a rich and full spectrum of sound. The speaker's design allows for 360-degree sound dispersion, so every listener in the room can enjoy the same audio clarity and balanced tones. This makes it perfect for parties, small gatherings, or even just casual listening sessions at home. -
Question:
Can the Onyx Studio 9 be used while charging?
Answer: Yes, you can use the Harman Kardon Onyx Studio 9 while it is charging. This feature allows you to enjoy your favorite music without interruptions, even when the battery is low. It's particularly useful during long listening sessions or when hosting events where you'd rather keep the volume up rather than pause for charging. Simply plug it in, and the speaker continues to deliver high-quality sound. -
Question:
What colors are available for the Onyx Studio 9?
Answer: The Harman Kardon Onyx Studio 9 is available in various colors, including the classic black version. This versatile color not only complements any decor but also features a sleek design that enhances its aesthetic appeal. Whether you choose black or another available color, the Onyx Studio 9 adds a touch of elegance to your space while providing top-notch audio quality. -
Question:
Where can I buy the Harman Kardon Onyx Studio 9 in Ireland?
Answer: You can buy the Harman Kardon Onyx Studio 9 - Portable Stereo Bluetooth Home Speaker at Ubuy. Ubuy is a reliable online shopping platform that offers a wide range of electronic products, including audio devices like the Onyx Studio 9. With a user-friendly interface and various payment options, Ubuy provides a convenient way to purchase this high-quality speaker from the comfort of your home in Ireland.
Harman Kardon Portable Bluetooth Speakers HKOS9BLKAM Editorial Review
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12 June 2026 · via Trustpilot
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Last Updated on July 11, 2026
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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€ 218
Order now and get it around Saturday, August 01
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Features & Benefits
- Experience superior audio performance with crystal-clear vocals and deep bass.
- Transport the speaker easily with a substantial handle made of 90% recycled aluminum.
- Enjoy 8 hours of playtime with a built-in rechargeable battery.
- Automatically self-tunes for optimal sound quality in any environment.
- Stream music from up to two mobile devices simultaneously.
- Use the USB charging port to keep your devices powered while enjoying music.
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