---
product_id: 732943651
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: "S$42"
currency: SGD
in_stock: false
reviews_count: 5
url: https://www.desertcart.sg/products/732943651-harman-kardon-onyx-studio-9-portable-stereo-bluetooth-home-speaker
store_origin: SG
region: Singapore
---

# Dual Bluetooth device pairing 3-channel surround sound 8-hour rechargeable battery 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:** S$42
**Availability:** ❌ Out of Stock

## Summary

> 🎶 Elevate your soundscape—wherever life takes 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?** S$42 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/732943651-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

- • **Sleek Aluminum Frame:** Durable yet stylish handle design for effortless portability and standout aesthetics.
- • **All-Day Music Freedom:** Up to 8 hours of uninterrupted playback—your soundtrack, anywhere you go.
- • **Smart Multi-Speaker Sync:** Customize and control multiple speakers via the Harman Kardon One app for a truly immersive vibe.
- • **Immersive 3-Channel Audio:** Experience crisp vocals and dynamic tones with Constant Sound Field tech that fills every corner.
- • **Seamless Dual Device Pairing:** Connect two devices simultaneously to keep the party going without interruptions.

## Overview

The Harman Kardon Onyx Studio 9 is a portable Bluetooth speaker featuring a 3-channel surround sound system with Constant Sound Field technology, an integrated aluminum frame for durability and portability, dual-device Bluetooth connectivity, up to 8 hours of battery life, and smart multi-speaker control via the Harman Kardon One app.

## Description

Key Features: Superior Sound: Three-channel system with Constant Sound Field technology for sound amplitude and clear voices. ICONIC DESIGN - Integrated aluminum frame and durable fabric for style and strength. Bluetooth: Connection for up to two mobile devices for shared music. Auracast Connection: Sync multiple speakers for surround sound. Battery: Up to 8 hours of continuous playtime, ideal for home or on the go. Self-adjustment: Automatically adjusts sound according to the environment. USB port: Charge mobile devices during playback. Harman Kardon One App: Easy audio setup and customization. Specifications: Power: 50W RMS Source: 100-240Vac, 50Hz/60Hz Audio: 1 x 120mm woofer, 3 x 20mm tweeters Frequency response: 50 Hz - 20 kHz (-6 dB) SNR: >80dB Bluetooth: 5.3 Dimensions: 289.2 x 288.5 x 130 mm Weight: 3.35 kg Battery: Li-ion 17.15Wh, up to 8 hours USB-C port: 5V/2.1A (max.) Includes: Onyx Studio 9, Power Cable, Quick Guide, Safety Sheet, Warranty

Review: Muy buen producto - Excelente calidad de audio
Review: Good asset - Really good condition, sound quality’s amazing and I love the design and how elevates every room or place u put it.

## 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 |
| Antenna Location | For surround sound systems, For smartphones or tablets, For computers, For music players |
| Audio Driver Size | 20 Millimetres |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Surround |
| Audio output mode | Surround |
| Battery Average Life | 8 Hours |
| Battery Charge Time | 8 Hours |
| Box Contents | 1 x Harman Kardon Onyx Studio 9, Power Cable, Quick Start Guide, Safety Sheet, Warranty Card |
| Brand | Harman Kardon |
| Brand Name | Harman Kardon |
| Colour | Black |
| Compatible Devices | Smartphone, Laptop, Tablet, Television, Projector |
| Connectivity Protocol | Bluetooth |
| Connectivity technology | Bluetooth |
| Control Method | App |
| Customer Reviews | 4.8 out of 5 stars 468 Reviews |
| Frequency Response | 20 KHz |
| Frequency response | 20 KHz |
| Input Voltage | 240 Volts (AC) |
| Input voltage | 240 Volts (AC) |
| Is Waterproof | False |
| Item Dimensions D x W x H | 13D x 13W x 29H centimetres |
| Item Weight | 9.41 Pounds |
| MP3 player | No |
| Manufacturer | Harman Kardon |
| Maximum Speaker Output Power (in watts) | 50 Watts |
| Model Name | HK Onyx Studio 9 |
| Model Number | HKOS9BLKAM |
| Mounting Type | Floor Standing |
| Network Connectivity Technology | Bluetooth |
| Number of Audio Channels | 3.0 |
| Number of Batteries | 1 9V batteries required. |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Product Features | Built-In Powerbank, Lightweight, Multi Room Audio, Portable, USB Port |
| Signal-to-Noise Ratio | 80 dB |
| Speaker Size | 13 Centimetres |
| Speaker Type | Portable Speaker |
| Speaker maximum output power | 50 Watts |
| Specific Uses For Product | Home entertainment systems, Outdoor/portable audio setups |
| UPC | 028292291104 |
| Unit Count | 1.0 count |
| Warranty Type | Limited |
| Wireless Technology Type | Bluetooth |
| Woofer Driver Diameter | 12 Centimetres |

## Product Details

- **Audio output mode:** Surround
- **Brand:** Harman Kardon
- **Connectivity technology:** Bluetooth
- **Frequency response:** 20 KHz
- **Input voltage:** 240 Volts (AC)
- **Model name:** ONXSTD9-SD24-K
- **Mounting type:** Ceiling Mount
- **Speaker maximum output power:** 50 Watts
- **Speaker type:** Portable Speaker

## 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)
![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 2](https://m.media-amazon.com/images/I/81RTY-MwuJL.jpg)
![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 3](https://m.media-amazon.com/images/I/91I4HYkPSFL.jpg)
![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 4](https://m.media-amazon.com/images/I/51-+0RVO3hL.jpg)
![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 5](https://m.media-amazon.com/images/I/81VjEqv9zcL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Muy buen producto
*by G***Y on 22 July 2026*

Excelente calidad de audio

### ⭐⭐⭐⭐⭐ Good asset
*by A***S on 27 January 2026*

Really good condition, sound quality’s amazing and I love the design and how elevates every room or place u put it.

### ⭐⭐⭐⭐⭐ The sound is good
*by E***A on 9 January 2025*

The sound is good

## 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

---

## 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.sg/products/732943651-harman-kardon-onyx-studio-9-portable-stereo-bluetooth-home-speaker](https://www.desertcart.sg/products/732943651-harman-kardon-onyx-studio-9-portable-stereo-bluetooth-home-speaker)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-08-03*