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

Price: $189.99 - $174.99
(as of Sep 10, 2026 08:17:14 UTC – Details)


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.
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.