Description
Price: £179.00
(as of Nov 04, 2025 19:52:45 UTC – Details)
From the manufacturer



1 Battery
2 Auracast
3 Self-Tuning
4 Superior Sound
5 Easy Setup & Control


Explore the Range
Battery Life
Up to 8 hours
Battery Life
Up to 12 hours
Battery Life
Up to 8 hours
Charging Time
4 hours
Charging Time
2.5 hours
Charging Time
3 hours
Auracast
Yes
Auracast
No
Auracast
No
Dimensions
28.9 x 28.75 x 13 cm
Dimensions
21 x 7.8 x 8 cm
Dimensions
43.9 x 24 x 19.2 cm
Weight
3.36 kg
Weight
0.71 kg
Weight
4.7 kg
Batteries : 2 P76 batteries required. (included)
Product Dimensions : 31.2 x 32.2 x 17.2 cm; 3.33 kg
Date First Available : 25 Feb. 2025
Manufacturer : harman kardon
ASIN : B0DT784LTK
Item model number : HKOS9BLKUK
Country of origin : China
Guaranteed software updates until : unknown
Delivery information:: We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.
Best Sellers Rank: 427 in Portable Bluetooth Speakers
Customer reviews: 5.0 5.0 out of 5 stars 9 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Immersive Audio: The Onyx Studio 9 wireless portable speaker delivers crystal-clear vocals, bright highs and deep bass with a handle of recycled aluminium for easy portability and an elegant design that elevates any space
Convenient Smart Speaker: Charge your mobile device with the USB charging port and enjoy up to 8 hours of uninterrupted playtime, allowing you to easily move this portable Bluetooth speaker from room to room
Boost Your Sound: Wirelessly pair two Onyx 9 speakers for mesmerising audio, or use Auracast to link multiple Auracast enabled speakers, even from other brands, for a synchronized listening experience
Self-Tuning: When powered on, the Onyx Studio 9 wireless speaker automatically calibrates to its environment, ensuring rich, immersive audio wherever you set it down
Personalised Control: Use the Harman Kardon ONE app to easily set up your Onyx Studio 9 wireless speaker, customise EQ settings and manage all compatible Bluetooth speakers in one convenient interface
Customers say
Customers praise the speaker’s sound quality. They also like its design, with one customer specifically appreciating its oval shape.














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