---
product_id: 678515803
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: "€ 59.86"
currency: EUR
in_stock: false
url: https://www.desertcart.pt/products/678515803-harman-kardon-onyx-studio-9-portable-stereo-bluetooth-home-speaker
store_origin: PT
region: Portugal
---

# 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:** € 59.86
**Availability:** ❌ Out of Stock

## Summary

> 🎶 Elevate your space, amplify your vibe — sound that moves with you.

## 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?** € 59.86 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/678515803-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

- • **Powerbank on the Go:** USB charging port keeps your devices energized while you stream, so you never miss a moment.
- • **8-Hour Portable Power:** Take your music anywhere with a built-in rechargeable battery that keeps the party going all day.
- • **Wireless Stereo Boost:** Pair two Onyx Studio 9 speakers for an expansive, immersive soundstage that commands attention.
- • **Self-Tuning Sound Perfection:** Automatically calibrates to your environment for flawless audio clarity wherever you place it.
- • **Seamless Dual Bluetooth Pairing:** Connect two devices simultaneously and effortlessly switch playlists without missing a beat.

## Overview

The Harman Kardon Onyx Studio 9 is a sleek, portable Bluetooth speaker featuring 50 watts of dynamic stereo sound, an 8-hour rechargeable battery, and smart self-tuning technology that adapts audio to any room. With dual-device streaming, wireless multi-speaker connection, and a built-in USB charging port, it’s designed for seamless, high-quality listening anywhere in your home.

## Description

Buy 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 online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## 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 |
| Age Range Description | Adult |
| Antenna Location | For smartphones or tablets, For music players, For computers |
| Audio Driver Size | 13 Centimeters |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Battery Average Life | 8 Hours |
| Best Sellers Rank | #55,331 in Electronics ( See Top 100 in Electronics ) #1,130 in Portable Bluetooth Speakers |
| Brand | Harman Kardon |
| Built-In Media | 1 x Harman Kardon Onyx Studio 9, Power Cable, Quick Start Guide, Safety Sheet, Warranty Card |
| Color | Black |
| Compatible Devices | Smartphone, Tablet, Television, Notebook, Desktop |
| Connectivity Protocol | Bluetooth |
| Connectivity Technology | Bluetooth |
| Control Method | App |
| Controller Type | App Control |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.7 4.7 out of 5 stars (498) |
| Enclosure Material | Aluminum |
| Frequency Response | 50 Hz |
| Is Waterproof | False |
| Item Dimensions D x W x H | 13D x 28.9W x 28.8H centimeters |
| MP3 player | No |
| Manufacturer | Harman Kardon |
| Model Name | HK Onyx Studio 9 |
| Model Number | HKOS9BLKAM |
| Mounting Type | Portable |
| Number Of Circuits | 3 |
| Number of Audio Channels | 3.0 |
| 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 | Portable Use |
| UPC | 028292291104 |
| Unit Count | 1.0 Count |
| Warranty Type | Limited |
| Wireless Technology | Bluetooth |
| Woofer Diameter | 12 Centimeters |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** Harman Kardon
- **Connectivity technology:** Bluetooth
- **Frequency response:** 50 Hz
- **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.pt/products/678515803-harman-kardon-onyx-studio-9-portable-stereo-bluetooth-home-speaker](https://www.desertcart.pt/products/678515803-harman-kardon-onyx-studio-9-portable-stereo-bluetooth-home-speaker)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-12*