---
product_id: 720079090
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 (Renewed)"
brand: "harman kardon"
price: "₩652412"
currency: KRW
in_stock: true
reviews_count: 8
category: "Amazon Renewed"
url: https://www.desertcart.kr/products/720079090-harman-kardon-onyx-studio-9-portable-stereo-bluetooth-home-speaker
store_origin: KR
region: South Korea
---

# 50W powerful stereo output 8-hour rechargeable battery life Dual-device Bluetooth pairing 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 (Renewed)

**Brand:** harman kardon
**Price:** ₩652412
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your vibe with sound that moves you and your space.

## 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 (Renewed) by harman kardon
- **How much does it cost?** ₩652412 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/720079090-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

- • **Expand Your Soundstage:** Wirelessly pair two Onyx Studio 9 speakers for immersive, room-filling stereo sound.
- • **8-Hour Portable Powerhouse:** Take your music anywhere with a rechargeable battery that keeps the party going all day.
- • **Built-In USB Charging Port:** Keep your devices powered up while streaming—never miss a moment or a call.
- • **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 premium portable Bluetooth speaker featuring 50 watts of stereo power, an 8-hour rechargeable battery, and advanced self-tuning technology that adapts sound to any environment. With dual-device Bluetooth connectivity and the ability to pair two speakers for enhanced stereo sound, it’s designed for seamless, high-fidelity audio experiences at home or on the move. The built-in USB charging port adds convenience by powering your devices while you enjoy crystal-clear music.

## 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.

Review: A Truly Astounding Portable Speaker - An astounding speaker. Especially in a set, for true stereo. Sound quality, depth, range, equal to expensive home sound systems. Ok, they are not exactly easily portable. Not that they can't be moved around. The app works very well. They last on a charge in the 7 or 8 hour range, depending upon volume. I've had a set of JLB flip 4's for years, they too are an excellent speaker, but in comparison to these Harmon Kardon's, not in the same league. So, if you truly want what might be the very best in portable speakers, choose these!
Review: Excellent Product... worth for the price.... - The Sound Quality is Excellent Spent 155$ and its worth what I have paid for it. Look and feel is excellent. Bluetooth connectivity is excellent, has AUX too. Super portable... Over all.. Its worth for money....

## 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0F2P5WF21 |
| 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, For Televisions, For Gaming Consoles |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Battery Average Life | 8 Hours |
| Best Sellers Rank | #99,295 in Electronics ( See Top 100 in Electronics ) #170 in Renewed Portable Bluetooth Speakers #2,208 in Portable Bluetooth Speakers |
| Brand | Harman Kardon |
| Built-In Media | 1 x Harman Kardon Onyx Studio 9, 1 x Power Cable, Quick Start Guide, Safety Sheet, Warranty Card |
| Compatible Devices | Desktop, Gaming Console, Laptop, MP3 Player, Projector, Smartphone, Tablet, Television |
| Connectivity Protocol | Bluetooth, USB |
| Connectivity Technology | Bluetooth, USB |
| Control Method | App, Touch |
| Customer Reviews | 4.3 out of 5 stars 46 Reviews |
| Enclosure Material | Metal |
| Frequency Response | 20 KHz |
| Is Waterproof | False |
| Manufacturer | Harman Kardon |
| Model Name | HK Onyx Studio 9 |
| Model Number | Onyx Studio 9 |
| Mounting Type | Floor Standing |
| Number of Audio Channels | 2.0 |
| Number of Batteries | 1 9V batteries required. (included) |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Speaker Maximum Output Power | 50 Watts |
| Speaker Size | 33.3 Centimeters |
| Speaker Type | Multi Room |
| Specific Uses For Product | home_theater, house, outdoor, pool, watching_tv, gaming |
| UPC | 724129192612 |
| Unit Count | 1.0 Count |
| Warranty Description | 90 days limited warranty |
| Warranty Type | Limited |
| Wireless Technology | Bluetooth |

## Product Details

- **Audio Output Mode:** Stereo
- **Brand:** Harman Kardon
- **Connectivity Technology:** Bluetooth, USB
- **Frequency Response:** 20 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 (Renewed) - Image 1](https://m.media-amazon.com/images/I/A19xR9Pri8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ A Truly Astounding Portable Speaker
*by R***S on December 5, 2025*

An astounding speaker. Especially in a set, for true stereo. Sound quality, depth, range, equal to expensive home sound systems. Ok, they are not exactly easily portable. Not that they can't be moved around. The app works very well. They last on a charge in the 7 or 8 hour range, depending upon volume. I've had a set of JLB flip 4's for years, they too are an excellent speaker, but in comparison to these Harmon Kardon's, not in the same league. So, if you truly want what might be the very best in portable speakers, choose these!

### ⭐⭐⭐⭐⭐ Excellent Product... worth for the price....
*by K***K on January 12, 2026*

The Sound Quality is Excellent Spent 155$ and its worth what I have paid for it. Look and feel is excellent. Bluetooth connectivity is excellent, has AUX too. Super portable... Over all.. Its worth for money....

### ⭐⭐⭐⭐ Good speakers
*by I***A on December 31, 2025*

Good speaker, I love the audibility of these speakers

## 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 (Renewed)
- LTGEM Case Compatible with Harman Kardon Onyx Studio 9 Speaker, Black

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-07*