--- product_id: 673191214 title: "Harman Kardon Onyx Studio 8 Bluetooth Wireless Portable Speaker (Black) (HKOS8BLKAM) + USB-C Cable + AUX Cable" brand: "harman kardon" price: "£21.17" currency: GBP in_stock: true reviews_count: 5 url: https://www.desertcart.co.uk/products/673191214-harman-kardon-onyx-studio-8-bluetooth-wireless-portable-speaker-black store_origin: GB region: United Kingdom --- # 50W RMS powerful sound Bluetooth 5.2 dual device pairing Eco-friendly sustainable design Harman Kardon Onyx Studio 8 Bluetooth Wireless Portable Speaker (Black) (HKOS8BLKAM) + USB-C Cable + AUX Cable **Brand:** harman kardon **Price:** £21.17 **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your soundscape, wherever you go—because your playlist deserves the best. ## Quick Answers - **What is this?** Harman Kardon Onyx Studio 8 Bluetooth Wireless Portable Speaker (Black) (HKOS8BLKAM) + USB-C Cable + AUX Cable by harman kardon - **How much does it cost?** £21.17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/673191214-harman-kardon-onyx-studio-8-bluetooth-wireless-portable-speaker-black) ## Best For - harman kardon enthusiasts ## Why This Product - Trusted harman kardon brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-Day Playback:** Up to 8 hours of wireless listening to keep your vibe going from morning meetings to evening unwind. - • **Sleek & Sustainable:** Premium anodized aluminum design with eco-conscious materials—style meets responsibility. - • **Seamless Connectivity:** Bluetooth 5.2 lets you pair two devices simultaneously or link two speakers for immersive stereo. - • **Room-Filling Powerhouse:** 50W RMS output with 4.7" woofer & dual tweeters for deep bass and crystal-clear highs. - • **Smart Sound Calibration:** Automatically adapts to your room’s acoustics for flawless audio every time. ## Overview The Harman Kardon Onyx Studio 8 is a premium Bluetooth wireless speaker delivering 50W RMS sound through a 4.7" woofer and dual tweeters. Featuring automatic room calibration, Bluetooth 5.2 with dual device pairing, and up to 8 hours of playback, it combines powerful audio performance with sleek, sustainable design. Includes USB-C and AUX cables for versatile connectivity. ## Description Enjoy room-filling sound with the Harman Kardon Onyx Studio 8 Bluetooth Wireless Portable Speaker. This sleek, fabric-covered speaker features a unique design, with an anodized aluminum ring serving as both a sturdy base and carry handle. The Onyx Studio 8 automatically calibrates its sound to any room, delivering 50W of RMS output through a 4.7" woofer and dual 0.8" tweeters for deep bass and detailed audio. With up to 8 hours of playback, it’s perfect for extended listening sessions. Pair two devices simultaneously via Bluetooth 5.2, or link two Onyx Studio 8 speakers for an even bigger sound. Far-field microphones enable hands-free calling from anywhere in the room. Built with eco-friendly materials and packaging, the Onyx Studio 8 is as sustainable as it is powerful, offering both high performance and environmental responsibility.Manufacturer Included Items:Harman Kardon Onyx Studio 8 Bluetooth Wireless Portable Speaker (Black) Power CableBundle Items Include:1 x Harman Kardon Onyx Studio 8 Bluetooth Wireless Portable Speaker (Black)1 x USB-C Cable1 x AUX Cable Review: Best speaker we’ve ever bought. Stays charged for a long time. We bought a second to chain together throughout the house. Review: The charging port is loose and the speaker will not charge. Very cheaply made. Sound was good for the short amount of time it worked. ## Features - Bundle Items Include: 1 x Harman Kardon Onyx Studio 8 Bluetooth Wireless Portable Speaker (Black), 1 x USB-C Cable, 1 x AUX Cable - Powerful 50W RMS Sound: Enjoy room-filling audio with the Onyx Studio 8, featuring a 4.7" woofer and two 0.8" tweeters that deliver rich, detailed sound with deep bass. This speaker's sleek, fabric-covered design is complemented by an anodized aluminum ring that functions as both a sturdy base and a convenient carry handle. - Automatic Room Calibration: Wherever you place the Onyx Studio 8, it automatically calibrates itself to the acoustics of the room, ensuring optimal sound quality every time you power it on. This smart feature allows you to enjoy consistently excellent audio, regardless of your listening environment. - Versatile Connectivity: The Onyx Studio 8 supports Bluetooth 5.2, allowing you to pair two devices simultaneously for easy music sharing. For an even more expansive sound experience, link two Onyx Studio 8 speakers together. Additionally, the integrated far-field microphones enable hands-free calling, making it perfect for both music and communication. - Sustainable Design with Long Playback: Enjoy up to 8 hours of playback on a single charge, making the Onyx Studio 8 ideal for all-day listening. Designed with eco-friendly materials and packaging, this speaker not only delivers exceptional sound but also aligns with your environmental values, offering a stylish and responsible choice for your home audio needs. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DFZXDGPM | | Colour | black | | Compatible devices | Smartphone, Tablet, MP3 Player, Desktop, Television, Projector, Laptop | | Control method | Push Button | | Included components | 1 x Harman Kardon Onyx Studio 8 Bluetooth Wireless Portable Speaker (Black), 1 x USB-C Cable, 1 x AUX Cable | | Is waterproof | False | | Item model number | HKOS8BLKAM | | Item weight | 10.28 Pounds | | Manufacturer | Harman Kardon | | Material | aluminum | | Model name | HKOS8BLKAM | | Power source | Corded Electric | | Product Dimensions | 16.26 x 31.24 x 27.69 cm; 4.66 kg | | Speaker size | 4.7 Inches | | Speaker type | Bookshelf | | Subwoofer diameter | 4.7 Inches | | Surround sound channel configuration | 2.0 | | Unit count | 1.0 Count | | Wireless communication technologies | Bluetooth | ## Product Details - **Audio output mode:** Stereo - **Brand:** Harman Kardon - **Connectivity technology:** USB - **Mounting type:** Tabletop Mount - **Speaker maximum output power:** 50 Watts ## Images ![Harman Kardon Onyx Studio 8 Bluetooth Wireless Portable Speaker (Black) (HKOS8BLKAM) + USB-C Cable + AUX Cable - Image 1](https://m.media-amazon.com/images/I/71+36fdfxKL.jpg) ![Harman Kardon Onyx Studio 8 Bluetooth Wireless Portable Speaker (Black) (HKOS8BLKAM) + USB-C Cable + AUX Cable - Image 2](https://m.media-amazon.com/images/I/817CDjC4ehL.jpg) ![Harman Kardon Onyx Studio 8 Bluetooth Wireless Portable Speaker (Black) (HKOS8BLKAM) + USB-C Cable + AUX Cable - Image 3](https://m.media-amazon.com/images/I/81TSFP0k64L.jpg) ![Harman Kardon Onyx Studio 8 Bluetooth Wireless Portable Speaker (Black) (HKOS8BLKAM) + USB-C Cable + AUX Cable - Image 4](https://m.media-amazon.com/images/I/81jVxV4KC0L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***L on 10 December 2025* Best speaker we’ve ever bought. Stays charged for a long time. We bought a second to chain together throughout the house. ### ⭐⭐ Review *by P***Z on 13 January 2026* The charging port is loose and the speaker will not charge. Very cheaply made. Sound was good for the short amount of time it worked. ### ⭐⭐⭐⭐⭐ Review *by H***8 on 17 November 2024* I needed sound quality, tried 3 other brands about the same price range and returned them all to box store...was at daughter's house and she had old Harman but the sound was fantastic...went on Amazon and after a week of waiting for an overnight item, I now have QUALITY MUSIC in my house...bravo to Harman. ## Frequently Bought Together - Harman Kardon Onyx Studio 8 Bluetooth Wireless Portable Speaker (Black) (HKOS8BLKAM) + USB-C Cable + AUX Cable - for Harman Kardon Charger Onyx Studio 7 6 5 4 3 2 1 Wireless Bluetooth Speaker Replacement Harmon Kardon Charger 19V AC Power Cord Supply【10 FT】 VHBW - Harman Kardon Onyx Studio 7 Portable Stereo Bluetooth Speaker - Black - (Renewed) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/673191214-harman-kardon-onyx-studio-8-bluetooth-wireless-portable-speaker-black](https://www.desertcart.co.uk/products/673191214-harman-kardon-onyx-studio-8-bluetooth-wireless-portable-speaker-black) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-09-01*