---
product_id: 701584194
title: "Onyx Studio 9, Portable Bluetooth Speaker, Auracast Multi-Speaker Connection, Adaptive Self-Tuning, Constant Sound Field Technology, USB Charging Port, Black, EU Plug (Type C)"
brand: "harman kardon"
price: "₹ 58946"
currency: INR
in_stock: true
reviews_count: 4
category: "Harman Kardon"
url: https://www.desertcart.in/products/701584194-onyx-studio-9-portable-bluetooth-speaker-auracast-multi-speaker-connection
store_origin: IN
region: India
---

# Auracast multi-speaker connection 50W max output power 8 hours battery life Onyx Studio 9, Portable Bluetooth Speaker, Auracast Multi-Speaker Connection, Adaptive Self-Tuning, Constant Sound Field Technology, USB Charging Port, Black, EU Plug (Type C)

**Brand:** harman kardon
**Price:** ₹ 58946
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your sound game—wherever life takes you.

## Quick Answers

- **What is this?** Onyx Studio 9, Portable Bluetooth Speaker, Auracast Multi-Speaker Connection, Adaptive Self-Tuning, Constant Sound Field Technology, USB Charging Port, Black, EU Plug (Type C) by harman kardon
- **How much does it cost?** ₹ 58946 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/701584194-onyx-studio-9-portable-bluetooth-speaker-auracast-multi-speaker-connection)

## 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

- • **Customizable EQ via App:** Personalize your listening experience with the Harman Kardon ONE app, adjusting bass and treble to match your vibe.
- • **All-Day Wireless Freedom:** Enjoy up to 8 hours of uninterrupted music on a single charge, perfect for workdays or weekend getaways.
- • **Adaptive Self-Tuning Tech:** Automatically optimizes sound based on your environment, so your audio always sounds perfect—no manual tweaks needed.
- • **Immersive 50W Stereo Sound:** Experience crystal-clear vocals, deep bass, and rich highs that fill any space with premium audio clarity.
- • **Seamless Multi-Speaker Sync:** Connect multiple Onyx Studio 9 or Auracast-compatible speakers wirelessly for an epic, room-filling soundscape.

## Overview

The Harman Kardon Onyx Studio 9 is a sleek, portable Bluetooth speaker delivering powerful 50W stereo sound with crystal-clear vocals and deep bass. Featuring up to 8 hours of battery life, Auracast multi-speaker connectivity, and adaptive self-tuning technology, it ensures premium audio tailored to any environment. With USB charging and app-controlled EQ settings, it’s designed for the modern professional who demands style, convenience, and immersive sound on the go.

## Description

Harman Kardon Portable Bluetooth Speakers Harman Kardon Bluetooth speakers have exceptional sound quality and sleek design. The speakers deliver rich, immersive sound with crystal clear vocals, clear highs and deep bass. So you can hear every note and nuance of your favorite music. Whether you use the speakers indoors or outdoors. Thanks to the built-in battery for long playtime and strong, durable materials, the Harman Kardon Bluetooth speakers are perfect for taking out the door. Some models have additional functionalities, such as Automatic Self-tuning. This optimizes the sound based on your environment. Or the function of pairing multiple Harman Kardon speakers together for the ultimate stereo experience. Harman Kardon Bluetooth speakers combine style, functionality and superior sound quality – the perfect choice for any listening occasion.

Review: Beautiful design and good quality - Wow, the sound is soooo nice
Review: The best bang for your buck - Without doubt the best sounding portable speaker I've ever used. I've owned an Onyx v1 for years and after breaking the legs, I got another one. I like that you're able to change the bass levels on this new model. Nothing else I've heard round friends,in store sounds as good as one of these.

## Features

- Immersive audio: The Onyx Studio 9 wireless Bluetooth speaker delivers crystal clear vocals, clear highs and deep bass. Thanks to the handle you can take it anywhere.
- Convenient Smart Speaker: Charge your mobile device via the USB port and enjoy up to 8 hours of music. This portable Bluetooth speaker is easy to move from room to room.
- Boost the sound: Wirelessly pair 2 Onyx Studio 9 speakers together or use Auracast to connect multiple Auracast-compatible speakers, even from other brands.
- Self-Tuning: When Self-Tuning is on, the Onyx Studio wireless speaker automatically adjusts the sound to the environment. So you always have the best sound, no matter where the speaker is.
- Personalized settings: Use the Harman Kardon ONE app to easily set up your Onyx Studio 9. For example, with the EQ settings, adjust the amount of bass.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DT77WH53 |
| Antenna Location | For smartphones or tablets, For computers, For surround sound systems |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Audio output mode | Stereo |
| Battery Average Life | 8 Hours |
| Battery Capacity | 8 Hours |
| Best Sellers Rank | 1,153 in Portable Bluetooth Speakers |
| Box Contents | 1 x Harman Kardon Onyx Studio 9, 1 x Power Cord, Quick Start Guide, Safety Sheet, Warranty Card |
| Brand | Harman Kardon |
| Brand Name | Harman Kardon |
| Colour | Black |
| Compatible Devices | Gaming Console, Home Theater, Laptop, Projector, Smartphone, Tablet, Television |
| Connectivity Protocol | Bluetooth |
| Connectivity technology | Wireless |
| Control Method | App |
| Country of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 64 Reviews |
| EU Spare Part Availability Duration | 7 Years |
| Enclosure Material | Metal |
| Frequency Response | 50 KHz |
| Frequency response | 50 KHz |
| Impedance | 20 Ohms |
| Input Voltage | 3.63 Volts |
| Input voltage | 3.63 Volts |
| Is Waterproof | False |
| Item Dimensions D x W x H | 31.2D x 32.2W x 17.2H centimetres |
| Item Weight | 3.33 Kilograms |
| Manufacturer | harman kardon |
| Maximum Speaker Output Power (in watts) | 50 Watts |
| Model Name | Harman Kardon Onyx Studio 9 |
| Model Number | HKOS9BLKEP |
| Mounting Type | Floor Standing |
| Network Connectivity Technology | Wireless |
| Number of Audio Channels | 2.0 |
| Number of Batteries | 1 P76 batteries required. (included) |
| Number of Items | 5 |
| Power Source | Battery Powered |
| Product Features | Bass Boost, Hi Res Audio, Multi Room Audio, Portable, Stereo Pairing |
| Speaker Size | 31.2 Centimetres |
| Speaker Type | portable_speaker |
| Speaker maximum output power | 50 Watts |
| Specific Uses For Product | Indoor/outdoor, portable use |
| Subwoofer Connectivity Technology | Wireless |
| Unit Count | 1.0 count |
| Warranty Type | Limited |
| Wireless Technology Type | Bluetooth |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** Harman Kardon
- **Connectivity technology:** Wireless
- **Frequency response:** 50 KHz
- **Input voltage:** 3.63 Volts
- **Material:** Metal
- **Model name:** Harman Kardon Onyx Studio 9
- **Mounting type:** Floor Standing
- **Speaker maximum output power:** 50 Watts
- **Speaker type:** portable_speaker

## Images

![Onyx Studio 9, Portable Bluetooth Speaker, Auracast Multi-Speaker Connection, Adaptive Self-Tuning, Constant Sound Field Technology, USB Charging Port, Black, EU Plug (Type C) - Image 1](https://m.media-amazon.com/images/I/81MIBycmryL.jpg)
![Onyx Studio 9, Portable Bluetooth Speaker, Auracast Multi-Speaker Connection, Adaptive Self-Tuning, Constant Sound Field Technology, USB Charging Port, Black, EU Plug (Type C) - Image 2](https://m.media-amazon.com/images/I/91O3JkjkiML.jpg)
![Onyx Studio 9, Portable Bluetooth Speaker, Auracast Multi-Speaker Connection, Adaptive Self-Tuning, Constant Sound Field Technology, USB Charging Port, Black, EU Plug (Type C) - Image 3](https://m.media-amazon.com/images/I/71EeUwQnhvL.jpg)
![Onyx Studio 9, Portable Bluetooth Speaker, Auracast Multi-Speaker Connection, Adaptive Self-Tuning, Constant Sound Field Technology, USB Charging Port, Black, EU Plug (Type C) - Image 4](https://m.media-amazon.com/images/I/61mAXAXL3jL.jpg)
![Onyx Studio 9, Portable Bluetooth Speaker, Auracast Multi-Speaker Connection, Adaptive Self-Tuning, Constant Sound Field Technology, USB Charging Port, Black, EU Plug (Type C) - Image 5](https://m.media-amazon.com/images/I/81S-TwCXMQL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Beautiful design and good quality
*by M***E on 30 January 2026*

Wow, the sound is soooo nice

### ⭐⭐⭐⭐⭐ The best bang for your buck
*by T***T on 4 June 2025*

Without doubt the best sounding portable speaker I've ever used. I've owned an Onyx v1 for years and after breaking the legs, I got another one. I like that you're able to change the bass levels on this new model. Nothing else I've heard round friends,in store sounds as good as one of these.

### ⭐⭐⭐⭐⭐ Studio 9
*by C***A on 25 September 2025*

The sound is amazing. Thanks alot for this.... I call it small but mighty and powerful

## Frequently Bought Together

- harman kardon Onyx Studio 9, Portable Bluetooth Speaker, Auracast Multi-Speaker Connection, Adaptive Self-Tuning, Constant Sound Field Technology, USB Charging Port, 8 Hours Battery Life, Black
- Anker New Nylon USB-C to USB-C Charging Cable 1m Length Twin Pack with Power Delivery for MacBook Pro 2020, iPad Pro 2020, Galaxy S20, Switch, Pixel, LG and USB-C Chargers (Black)
- Anker USB C Plug, 735 Charger (Nano II 65W), PPS 3-Port Fast Compact USB C Charger for MacBook Pro/Air, iPad Pro, Galaxy S20/S10, Dell XPS 13, Note 20/10+, iPhone 16/15, Pixel, Steam Deck, and More

---

## 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.in/products/701584194-onyx-studio-9-portable-bluetooth-speaker-auracast-multi-speaker-connection](https://www.desertcart.in/products/701584194-onyx-studio-9-portable-bluetooth-speaker-auracast-multi-speaker-connection)

---

*Product available on Desertcart India*
*Store origin: IN*
*Last updated: 2026-06-18*