- 30% 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

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

(95 customer reviews)

Original price was: $420.35.Current price is: $294.22.

Original price was: $420.35.Current price is: $294.22.

Top Pick โ€” discover the 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, built for performance and designed for life in the United States.

About 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

  • 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.

The 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 combines reliability, modern design, and user-focused engineering. Perfect for everyday use, it delivers dependable results for American customers who value innovation.

Specification: 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

Mounting Type

Floor Standing

Model Name

HK Onyx Studio 9

Speaker Type

Portable Speaker

Special Feature

Built-In Powerbank, Lightweight, Multi Room Audio, Portable, USB Port

Compatible Devices

Desktop, Laptop, Smartphone, Tablet

Unit Count

1.0 Count

Surround Sound Channel Configuration

3.0

Included Components

1 x Harman Kardon Onyx Studio 9, 1 x Power Cable, Quick Start Guide, Safety Sheet, Warranty Card

Product Dimensions

5.12"D x 11.39"W x 11.32"H

Is Waterproof

False

Warranty Type

Limited

Number of Items

1

Control Method

App

Wireless Communication Technology

Bluetooth

Speaker Size

13 Centimeters

Power Source

Battery Powered

Signal-to-Noise Ratio

8E+1 dB

Number of Batteries

1 9V batteries required. (included)

Audio Driver Type

Dynamic Driver

Includes MP3 player

No

UPC

028292291104

Manufacturer

Harman Kardon

Item Weight

9.41 pounds

Item model number

HKOS9BLKAM

Batteries

1 9V batteries required. (included)

Date First Available

February 10, 2025

Photos: 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

95 reviews for 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

4.7 out of 5
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  1. Amazon Customer

    Absolutely love this speaker. I used it daily. The sound quality is out of this world. The Bluetooth connectivity was easy to connect. Great value for the price.

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  2. Amazon Customer

    Sound quality is very good

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  3. Eron Bibiana

    The sound is good

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  4. Barbara Goncalves Neto

    Excelente producto!

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  5. Marc

    Sonido increible muy buena respuesta en frecuencia, graves profundos. Reproduccion muy limpia sin ruido de amplificacion. Excelente producto.

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  6. Carey

    Sound quality is pretty amazing. Just wish there was a place in the back to tuck in excess cord

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  7. Lisa

    beautiful speaker. I gave it as a gift

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  8. M50 lover

    Best version, yet… easy to connect, easy to pair with multiple speakers. LOUD and very bass heavy. Appreciate the ability to just the bass levels. Used these for a DJ set.

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  9. Amazon Customer

    Just buy the speaker and enjoy!!!!

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  10. baker1dad

    Great sounding item. Had the 6 now the 9 . Worth the money.

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    Last updated on October 18, 2025 2:21 pm Details
    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
    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

    Original price was: $420.35.Current price is: $294.22.

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