Harman Kardon Onyx Studio 9 – Portable Stereo Bluetooth Speaker with Battery, USB Charging, Self‑Tuning & Auracast Multi‑Speaker Pairing – Premium Home Audio

🔹 Bullet Description for Amazon:

• Powerful 3-Channel Stereo Sound – Experience deep bass and crisp highs with a 120mm woofer and three 20mm tweeters for rich, immersive audio—perfect for home entertainment or music on the go.
• Self-Tuning Room Calibration – Automatically optimizes audio output based on your surroundings, delivering balanced and precise sound wherever you place the speaker.
• Bluetooth 5.3 & Auracast Connectivity – Seamlessly pair with multiple Bluetooth devices or connect two Onyx Studio 9 speakers via Auracast for a wider, more dynamic soundstage.
• Up to 8 Hours Playtime – Built-in rechargeable battery offers extended playback time, while the USB-A port allows convenient phone charging while you stream.
• Elegant, Portable Design – Iconic circular form with a built-in aluminum handle, premium fabric finish, and intuitive top-mounted controls—designed to complement any home décor.
• Custom EQ with App Control – Fine-tune your audio experience using the Harman Kardon One app with 7-band EQ, firmware updates, and multi-speaker control.
• Eco-Conscious Build – Made with 90% recycled aluminum and environmentally responsible packaging—powerful sound with a reduced carbon footprint.