---
product_id: 485355034
title: "Onyx Studio 8 Portable Stereo Bluetooth Speaker, Superior Sound Performance, Elegant Design, Self-Tuning, 8 Hours Battery, Eco-Friendly Materials, Built-In Dual Mic - Black, HKOS8BLKUK"
brand: "harman kardon"
price: "€ 669.73"
currency: EUR
in_stock: true
reviews_count: 8
category: "Harman Kardon"
url: https://www.desertcart.fr/products/485355034-onyx-studio-8-portable-stereo-bluetooth-speaker-superior-sound-performance
store_origin: FR
region: France
---

# 50W max output power 8 hours battery life Eco-friendly recycled materials Onyx Studio 8 Portable Stereo Bluetooth Speaker, Superior Sound Performance, Elegant Design, Self-Tuning, 8 Hours Battery, Eco-Friendly Materials, Built-In Dual Mic - Black, HKOS8BLKUK

**Brand:** harman kardon
**Price:** € 669.73
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your soundscape — where style meets unstoppable audio freedom!

## Quick Answers

- **What is this?** Onyx Studio 8 Portable Stereo Bluetooth Speaker, Superior Sound Performance, Elegant Design, Self-Tuning, 8 Hours Battery, Eco-Friendly Materials, Built-In Dual Mic - Black, HKOS8BLKUK by harman kardon
- **How much does it cost?** € 669.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/485355034-onyx-studio-8-portable-stereo-bluetooth-speaker-superior-sound-performance)

## 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

- • **Freedom to Roam:** Unleash your playlists anywhere with 8 hours of wireless Bluetooth streaming and dual device connectivity.
- • **Crystal Clear Calls:** Built-in dual mic ensures your conference calls are as sharp and professional as your playlist.
- • **Sleek & Sustainable:** Crafted from recycled materials with an anodized aluminum handle that’s as stylish as it is sturdy.
- • **Room-Filling Powerhouse:** Experience rich, immersive sound with 50 watts of superior Harman Kardon audio engineering.
- • **Smart Sound Calibration:** Self-tuning tech automatically adapts audio to your environment for flawless sound every time.

## Overview

The Onyx Studio 8 by Harman Kardon is a premium portable Bluetooth speaker delivering 50 watts of superior stereo sound with smart self-tuning technology. Boasting 8 hours of battery life and dual device connectivity, it combines elegant, eco-friendly design with professional-grade audio performance and built-in dual microphones for crystal-clear calls.

## Description

From the manufacturer Technical Specifications

Review: Mind Blowing 🤯 Speaker - I am amazed by how this speaker is delivering the sound, The bass is deep the sound is clear and it is very authentic and original Who ever was wondering about buying this speaker i think you will not regret your money , I love it I do recommend the product Many thanks to the seller
Review: The Base is amazing - Outstanding

## Features

- Superior Sound Performance Harman Kardon's unrivaled acoustic engineering delivers rich, room filling sound in any setting, whether you're listening to your favorite music or making crystal clear conference calls.
- Elegant Design Crafted from premium materials, the Onyx Studio 8 neatly blends into your life and home. The sleek, anodized aluminum handle, which doubles as a sturdy base, means you can easily carry it from one room to another.
- Self Tuning Enjoy perfect sounds wherever you take the music. When you power on, the Onyx Studio 8 automatically calibrates to its environment, ensuring the best sound possible no matter where you set it down.
- Bluetooth Streaming for Up to 8 Hours The Onyx Studio 8 pairs seamlessly with any Bluetooth device for enhanced, extraordinary audio. And since music is meant to be shared, you can switch your playlists with anyone by simultaneously connecting two devices to the speaker. With 8 hours of battery time and no power cord tying you down, you can place the Onyx Studio 8 anywhere and get on with the music.
- Eco Friendly Materials The Onyx Studio 8 is made with recycled plastic. The speaker grille fabric is woven from recycled polyester yarn, and our paper based packaging is made with FSC certified paper and printed with soy ink. Together, these choices reduce environmental impact.
- target gender : unisex

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BKPQFXGJ |
| Additional Features | Built-In Dual Mic, Detailed Soundstage, Elegant Design, Self-Tuning, Superior Sound Performance |
| Age Range Description | Adult |
| Antenna Location | For Computers, For Music Players, For Smartphones or Tablets |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Audio output mode | Stereo |
| Battery Average Life | 8 Hours |
| Best Sellers Rank | #14,319 in Electronics ( See Top 100 in Electronics ) #297 in Portable Bluetooth Speakers |
| Brand | Harman Kardon |
| Built-In Media | 1 x Onyx Studio 8, Power Cable, Printed materials |
| Color | Black |
| Compatible Devices | Laptop, Smartphone, Tablet |
| Connectivity Protocol | Bluetooth |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Control Method | App |
| Controller Type | Button |
| Customer Package Type | FFP |
| Customer Reviews | 4.5 out of 5 stars 33 Reviews |
| Enclosure Material | Aluminum, Plastic |
| Frequency Response | 20 KHz |
| Frequency response | 20 KHz |
| Is Waterproof | false |
| Item Dimensions D x W x H | 16.4D x 31.2W x 27.5H centimeters |
| Item Type Name | Bluetooth Speaker |
| Item Weight | 3.52 Kilograms |
| MP3 player | No |
| Manufacturer | Harman |
| Maximum Range | 60 Meters |
| Model Name | HKOS8BLKUK |
| Model Number | HKOS8BLKUK |
| Mounting Type | Floor Standing |
| Mounting type | Floor Standing |
| Number of Audio Channels | 2 |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Signal-to-Noise Ratio | 80 dB |
| Speaker Maximum Output Power | 50 Watts |
| Speaker Type | Portable |
| Speaker maximum output power | 50 Watts |
| Specific Uses For Product | For Music Players, For Smartphones or Tablets, For Computers, For Televisions |
| Subwoofer Connectivity Technology | Wireless |
| Tweeter Diameter | 1 Inches |
| Warranty Description | 1 Year |
| Warranty Type | Full |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | Bluetooth |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** Harman Kardon
- **Connectivity technology:** Bluetooth
- **Frequency response:** 20 KHz
- **Speaker maximum output power:** 50 Watts

## Images

![Onyx Studio 8 Portable Stereo Bluetooth Speaker, Superior Sound Performance, Elegant Design, Self-Tuning, 8 Hours Battery, Eco-Friendly Materials, Built-In Dual Mic - Black, HKOS8BLKUK - Image 1](https://m.media-amazon.com/images/I/91ttxBavGAL.jpg)

## Available Options

This product comes in different **Color, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Mind Blowing 🤯 Speaker
*by A***A on 4 January 2025*

I am amazed by how this speaker is delivering the sound, The bass is deep the sound is clear and it is very authentic and original Who ever was wondering about buying this speaker i think you will not regret your money , I love it I do recommend the product Many thanks to the seller

### ⭐⭐⭐⭐⭐ The Base is amazing
*by I***A on 22 June 2025*

Outstanding

### ⭐⭐⭐⭐ It’s ok
*by N***L on 18 August 2025*

Overall a good Bluetooth speaker. Doesn’t get very loud and needs help of surroundings to hear the bass (like placing in corner). Also only has full power output when plugged in. But it works ok and battery lasts long enough before needing to charge.

## Frequently Bought Together

- Harman Kardon Onyx Studio 8 Portable Stereo Bluetooth Speaker, Superior Sound Performance, Elegant Design, Self-Tuning, 8 Hours Battery, Eco-Friendly Materials, Built-In Dual Mic - Black, HKOS8BLKUK
- Harman Kardon Luna – High-Quality Bluetooth Speaker with Superior Sound, IP67 Rating, Eco-Friendly Construction & Stylish Looks
- Harman Kardon Onyx Studio8 Bluetooth Speaker, Black

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---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-08-11*