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Item #:
228548758
Harman Kardon Onyx Studio 4 Wireless Bluetooth Speaker Black (New Model, 100
87% of respondents would recommend this to a friend
Item #:
228548758
XCD 1021
Price Details
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Imported from USA store
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Order now and get it around Saturday, September 26
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Crafted to be the best sounding, full featured, portable Bluetooth speaker in its class.
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What Stands Out
Rich Sound Quality
Delivers powerful, immersive audio with deep bass and clear highs, perfect for both music lovers and casual listeners who want an enhanced audio experience.
Stylish Design
Features a sleek, modern aesthetic that complements any décor, making it an ideal addition to your home or office space without compromising style.
Wireless Convenience
Equipped with Bluetooth connectivity and a long-lasting battery, allowing users to enjoy music freely without the hassle of cords or frequent recharging.
Product Details
| Audio Output Mode | Stereo |
| Mounting Type | Tabletop Mount |
| Enclosure Material | Metal |
| Speaker Type | Multi Room |
| Additional Features | Built In Microphone |
| Antenna Location | For Music Players |
| Subwoofer Diameter | 7.5 centimeters |
| Color | B074P79X9C |
| Is Waterproof | FALSE |
| Control Method | App |
| Speaker Size | 21.59 centimeters |
| Woofer Diameter | 7.5 centimeters |
| Tweeter Diameter | 1 inches |
| Water Resistance Level | Waterproof |
| Bluetooth Range | 10 meters |
| Specific Uses For Product | Indoor & Outdoor Entertainment, Wireless Music Playing |
| Battery Average Life | 8 hours |
| Controller Type | homekit, vera |
| Unit Count | 1 Count |
| Item Dimensions D x W x H | 12.5"D x 13"W x 8.5"H (31.8 x 33 x 21.6 cm) |
| Item Weight | 7.2 pounds (3.27 kg) |
| Compatible Devices | Smartphone |
| Battery Charge Time | 8 hours |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 7.5 centimeters |
| Brand | Harman Kardon |
| Model Number | HKOS4BLKBSG |
| Model Name | Onyx Studio 4 |
| Built-In Media | Portable Speaker |
| Number of Items | 1 |
| Customer Package Type | standard package |
| UPC | 028292280764 |
| Global Trade Identification Number | 00028292280764 |
| Manufacturer | Harman Kardon |
| Age Range Description | Adult |
| Speaker Maximum Output Power | 60 watts |
| Number of Audio Channels | 2 |
| Connectivity Technology | Bluetooth |
| Wireless Technology | Bluetooth |
| Subwoofer Connectivity Technology | Wireless |
| Connectivity Protocol | Bluetooth |
| Power Source | Battery Powered |
| Number of Batteries | 1 A batteries required. |
Who Should Buy?
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Music Lovers
Delivers rich sound quality and powerful bass, perfect for those who enjoy high-fidelity audio experiences.
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Outdoor Gatherings
With a portable design and wireless functionality, ideal for picnics, barbecues, or beach outings.
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Smart Home Users
Integrates well with smart systems, allowing convenient voice control through compatible assistants for a modern lifestyle.
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Budget Shoppers
Priced higher compared to basic speakers, does not fit well for those looking for economical audio solutions.
Product Description
Harman Kardon Onyx Studio 4 Wireless Bluetooth Speaker Black (New Model, 100
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are the key features of the Harman Kardon Onyx Studio 4 Wireless Bluetooth Speaker?
Answer: The Harman Kardon Onyx Studio 4 boasts a sleek design and high-quality sound performance with 360-degree audio coverage. Key features include Bluetooth connectivity, up to 8 hours of playtime, and a built-in speakerphone for hands-free calls. Its premium fabric and aluminum finish not only provide an elegant look but also enhance durability. Ideal for both indoor and outdoor use, its portability makes it perfect for gatherings or relaxing at home. -
Question:
How do I connect my device to the Harman Kardon Onyx Studio 4?
Answer: Connecting your device to the Harman Kardon Onyx Studio 4 is straightforward. Simply turn on the speaker, enable Bluetooth on your device, and select the Onyx Studio 4 from the list of available devices. Once paired, you can stream music, podcasts, or calls from your device wirelessly. This quick setup process delivers enhanced convenience for users who enjoy seamless audio playback while on the go. -
Question:
Can I use multiple speakers together with the Onyx Studio 4?
Answer: Yes, the Harman Kardon Onyx Studio 4 supports pairing with other compatible speakers for an immersive sound experience. Utilizing the HK Connect app, you can link multiple Onyx Studio 4 units and enjoy synchronized audio playback. This feature is perfect for larger gatherings or outdoor events where a fuller sound is desired, allowing you to fill the space with high-quality music from several speakers. -
Question:
What is the battery life of the Harman Kardon Onyx Studio 4?
Answer: The Harman Kardon Onyx Studio 4 offers up to 8 hours of battery life on a full charge, making it ideal for extended use. This impressive battery performance allows you to enjoy your favorite music, podcasts, or audiobooks for hours without interruption. Whether you’re having a picnic, hosting a barbecue, or simply relaxing at home, you can rely on its long-lasting battery to keep the music going. -
Question:
Is the Harman Kardon Onyx Studio 4 waterproof?
Answer: The Harman Kardon Onyx Studio 4 is not waterproof but is designed to withstand typical indoor conditions. While it’s great for home use or outdoor settings away from water, exercise caution in wet environments. For users who frequently enjoy music by the pool or beach, consider investing in a waterproof speaker to prevent damage from splashes or spills, ensuring your device remains safe. -
Question:
What is the sound quality like on the Harman Kardon Onyx Studio 4?
Answer: The sound quality of the Harman Kardon Onyx Studio 4 is exceptional, delivering rich, immersive audio. It features dual high-performance drivers and a built-in bass port that produce deep bass and clear highs. Users appreciate the balanced sound profile, making it suitable for various genres, from classical to contemporary. Whether you’re listening to music or catching up on a podcast, expect vibrant sound that enhances your audio experience. -
Question:
Can I take calls on the Harman Kardon Onyx Studio 4?
Answer: Yes, the Harman Kardon Onyx Studio 4 includes a built-in speakerphone that allows you to take hands-free calls. The quality of the microphone ensures clear conversations, making it a practical choice for business calls during your work-from-home setup or social chats while multitasking. Simply pair your phone, and you can seamlessly switch between music and calls without needing to disconnect your device. -
Question:
What devices are compatible with the Harman Kardon Onyx Studio 4?
Answer: The Harman Kardon Onyx Studio 4 is compatible with a range of devices, including smartphones, tablets, laptops, and desktops that support Bluetooth connectivity. It works with both iOS and Android operating systems, allowing users to connect their favorite devices effortlessly. This versatility makes it a great addition to any tech setup, enhancing audio playback across various multimedia devices. -
Question:
How can I reset my Harman Kardon Onyx Studio 4?
Answer: To reset your Harman Kardon Onyx Studio 4, press and hold the Bluetooth button and the volume up (+) button simultaneously for about 10 seconds until you see the indicator light flash. This process reinstates factory settings, resolving pairing issues or audio glitches. A reset is particularly useful if you’re experiencing connectivity troubles or want to pair a new device without interference. -
Question:
Where can I buy Harman Kardon Onyx Studio 4 Wireless Bluetooth Speaker Black New Model in Montserrat?
Answer: You can purchase the Harman Kardon Onyx Studio 4 Wireless Bluetooth Speaker Black New Model on Ubuy, which offers a wide variety of electronics and devices. Ubuy is known for its reliable service and extensive selection, ensuring you can find the latest model effortlessly. Visit the Ubuy website to explore purchasing options and secure your new speaker conveniently.
Harman Kardon Portable Bluetooth Speakers HKOS4BLKBSG Editorial Review
Harman Kardon Onyx Studio 4 Wireless Bluetooth Speaker Black is a powerful and stylish audio solution designed for impressive sound quality. Users appreciate its robust bass and clear highs, making it ideal for filling rooms with audio. The latest model offers a multi-speaker option, allowing connections of up to four units simultaneously, enhancing the sound experience during gatherings. Customers have noted the Onyx 4's enduring battery life of around 8 hours, supporting long listening sessions without needing constant recharging. This speaker also supports various smart assistants, making it a versatile addition to any tech setup.
Customer Reviews & Ratings
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Pros
- Excellent sound quality with clear highs and deep bass
- Multi-speaker connectivity for enhanced audio experience
- Portable yet powerful enough for larger spaces
- Battery lasts up to 8 hours on average
- User-friendly Bluetooth connectivity and smart assistant compatibility
Cons
- A bit bulky for those seeking ultra-portability
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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XCD 1021
Order now and get it around Saturday, September 26
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Best in class for sound quality and features.
- Dual device connectivity for seamless music sharing.
- 8 hours of playtime for extended listening.
- Connect over 100 speakers for an amplified experience.
- Built-in microphone with echo and noise cancellation.
- Stylish design that complements any space.
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Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.