Immersive Stereo Sound with Vocal Clarity
A three-driver setup (120 mm woofer + 3×20 mm tweeters) powered at 50 W RMS creates a wide soundstage and precise mid-range, delivering punchy bass, clear vocals, and detailed highs. The “Constant Sound Field” technology ensures immersive audio wherever it’s placed.
2. Smart Environment Tuning
Upon powering on, the speaker automatically adjusts its output to the room’s acoustics, for consistent, optimized playback no matter where it’s located.
3. Portable Elegance
Encased in premium woven fabric and framed with a large aluminium handle (made with 90% recycled material), the speaker is easy to carry around the home. The design is sleek and functional.
4. Wireless & Multi‑Device Pairing
Equipped with Bluetooth 5.3, it can pair with two devices simultaneously for seamless switching, and features Auracast compatibility—supporting pairing with another Onyx Studio 9 for stereo or connecting multiple Auracast-enabled speakers.
5. Built‑In Battery + Phone Charger
A rechargeable battery powers up to 8 hours of playback (real tests show around 6 hours). It also includes a USB-C/USB output to recharge smartphones and gadgets on the go .
6. App Control
The Harman Kardon One app (iOS & Android) delivers a seven-band EQ, firmware updates, preset selection, speaker grouping, and overall playback control.
7. Stylish & Sustainable Packaging
Built with eco-conscious materials—recycled metal, durable fabrics, and thoughtful packaging—the Onyx Studio 9 blends design with environmental consideration
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