---
product_id: 699736090
title: "Harman Kardon Onyx Studio 9 - Portable Stereo Bluetooth Home Speaker with Built-in Battery and USB Charging, self-Tuning, and Multi-Speaker Connection by Auracast - Black"
brand: "harman kardon"
price: "€ 509.71"
currency: EUR
in_stock: true
category: "Harman Kardon"
url: https://www.desertcart.hr/products/699736090-harman-kardon-onyx-studio-9-portable-stereo-bluetooth-home-speaker
store_origin: HR
region: Croatia
---

# Dual-device Bluetooth streaming 50W powerful stereo output 8-hour rechargeable battery life Harman Kardon Onyx Studio 9 - Portable Stereo Bluetooth Home Speaker with Built-in Battery and USB Charging, self-Tuning, and Multi-Speaker Connection by Auracast - Black

**Brand:** harman kardon
**Price:** € 509.71
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your space with sound that moves you — anytime, anywhere.

## Quick Answers

- **What is this?** Harman Kardon Onyx Studio 9 - Portable Stereo Bluetooth Home Speaker with Built-in Battery and USB Charging, self-Tuning, and Multi-Speaker Connection by Auracast - Black by harman kardon
- **How much does it cost?** € 509.71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/699736090-harman-kardon-onyx-studio-9-portable-stereo-bluetooth-home-speaker)

## 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

- • **8-Hour Portable Power:** Take your soundtrack anywhere with a long-lasting rechargeable battery.
- • **Wireless Stereo Boost:** Pair two Onyx Studio 9 speakers for an immersive, room-filling soundstage.
- • **Built-In USB Charging Port:** Keep your devices powered up while you keep the music going.
- • **Self-Tuning Sound Perfection:** Automatically adapts to your environment for flawless audio clarity.
- • **Seamless Dual-Device Streaming:** Switch effortlessly between two devices for uninterrupted party vibes.

## Overview

The Harman Kardon Onyx Studio 9 is a premium portable Bluetooth speaker featuring 50 watts of stereo power, an 8-hour rechargeable battery, and self-tuning technology that optimizes sound based on your environment. It supports simultaneous streaming from two devices, wireless pairing of two speakers for enhanced stereo sound, and includes a USB port to charge your mobile devices on the go. Designed with a sleek metal enclosure and a substantial recycled aluminum handle, it blends portability with high-fidelity audio for a seamless home or on-the-move listening experience.

## Description

Elevate your everyday listening to an extraordinary sound experience with the Harman Kardon Onyx Studio 9. This elegant wireless Bluetooth® movable home speaker delivers superior audio performance with crystal-clear vocals, bright highs, and deep bass that make your favorite music feel thrillingly immersive. Constant Sound Field technology widens the soundstage and improves the clarity and detail of your music. The substantial integrated handle (made with 90% recycled aluminum) and built-in battery with 8 hours of playtime make the Onyx Studio 9 easy to move with you in and around your home, and a built-in USB port recharges your device while you enjoy your music. And thanks to automatic self-tuning, it always delivers the best possible sound performance wherever you set it down.

## Features

- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DMHLTDBX |
| Additional Features | Built-In Powerbank, Lightweight, Multi Room Audio, Portable, USB Port |
| Antenna Location | For Smartphones or Tablets, For Computers, For Televisions |
| Audio Driver Size | 13 centimeters |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Battery Average Life | 8 hours |
| Best Sellers Rank | #238 in Portable Bluetooth Speakers #2,395 in MP3 & MP4 Player Accessories |
| Brand | Harman Kardon |
| Built-In Media | 1 x Harman Kardon Onyx Studio 9, Power Cable, Quick Start Guide, Safety Instructions, Warranty Card |
| Color | Black |
| Compatible Devices | Desktop, Laptop, Smartphone, Tablet |
| Connectivity Protocol | Bluetooth, USB |
| Connectivity Technology | Bluetooth, USB |
| Control Method | App |
| Customer Reviews | 4.7 out of 5 stars 553 Reviews |
| Enclosure Material | Metal |
| Frequency Response | 20000 KHz |
| Is Waterproof | False |
| Item Dimensions D x W x H | 5.12"D x 11.39"W x 11.32"H |
| Manufacturer | Harman Kardon |
| Model Name | HK Onyx Studio 9 |
| Model Number | HKOS9BLKAM |
| Mounting Type | Floor Standing |
| Number of Audio Channels | 3 |
| Number of Batteries | 1 9V batteries required. |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Signal-to-Noise Ratio | 80 db |
| Speaker Maximum Output Power | 50 watts |
| Speaker Size | 13 centimeters |
| Speaker Type | Portable Speaker |
| Specific Uses For Product | Home entertainment, Portable, Multi-room audio |
| UPC | 028292291104 |
| Unit Count | 1 Count |
| Warranty Description | 1 Year manufacturers warranty |
| Warranty Type | Limited |
| Wireless Technology | Bluetooth |

## Product Details

- **Audio Output Mode:** Stereo
- **Brand:** Harman Kardon
- **Connectivity Technology:** Bluetooth, USB
- **Frequency Response:** 20000 KHz
- **Speaker Maximum Output Power:** 50 watts

## Images

![Harman Kardon Onyx Studio 9 - Portable Stereo Bluetooth Home Speaker with Built-in Battery and USB Charging, self-Tuning, and Multi-Speaker Connection by Auracast - Black - Image 1](https://m.media-amazon.com/images/I/A19xR9Pri8L.jpg)

## Frequently Bought Together

- Harman Kardon Onyx Studio 9 - Portable Stereo Bluetooth Home Speaker with Built-in Battery and USB Charging, self-Tuning, and Multi-Speaker Connection by Auracast - Black
- LTGEM Case Compatible with Harman Kardon Onyx Studio 9 Speaker, Black

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**Shop now:** [https://www.desertcart.hr/products/699736090-harman-kardon-onyx-studio-9-portable-stereo-bluetooth-home-speaker](https://www.desertcart.hr/products/699736090-harman-kardon-onyx-studio-9-portable-stereo-bluetooth-home-speaker)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-09-23*