Harman Kardon Onyx Studio 9

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Harman Kardon Onyx Studio 9 is a premium Bluetooth speaker delivering rich, room-filling sound with a sleek, modern design. Featuring self-tuning technology, powerful 50W output, and up to 8 hours of playtime, it’s perfect for any space—stylish, portable, and built for immersive audio.

Powerful 50W RMS output – delivers deep bass and crystal-clear highs
Premium speaker drivers – 1 × 120mm woofer + 3 × 20mm tweeters for rich, room-filling sound
Bluetooth 5.3 with Auracast™ – seamless wireless pairing and multi-speaker connectivity
Up to 8 hours of playtime – portable design with a rechargeable battery

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Product details

Harman Kardon Onyx Studio 9 – Signature Sound, Elegant Design

Experience rich, room-filling audio with the Harman Kardon Onyx Studio 9, a beautifully crafted portable Bluetooth speaker designed for both performance and style. With its signature round silhouette, premium materials, and aluminum handle, it blends seamlessly into any home or office space while delivering powerful, clear sound.

Equipped with 50W RMS output, a 120mm woofer, and three 20mm tweeters, the Studio 9 brings deep bass, crisp highs, and balanced mids to your music. Thanks to automatic room calibration and self-tuning technology, the sound is optimized for your surroundings, giving you the best listening experience every time.

Enjoy up to 8 hours of playtime, and stay connected with Bluetooth 5.3, Auracast™ multi-speaker sync, and a built-in USB-C port to charge your devices. Whether you’re relaxing indoors or entertaining guests, the Onyx Studio 9 delivers premium sound in a portable, stylish package.

Specifications

Dimensions & BuildProduct Size: 289.2 × 287.5 × 130 mm (11.39″ × 11.32″ × 5.12″)
Weight: Approx. 3.36 kg net, 4.2 kg packaged
Design: Circular form with integrated recycled-aluminium handle
Audio PerformanceOutput Power: 50 W RMS
Drivers: 1 × 120 mm woofer + 3 × 20 mm tweeters for full-range clarity
Frequency Response: 50 Hz–20 kHz (±6 dB)
Signal-to-Noise Ratio: > 80 dB
ConnectivityBluetooth: Version 5.3, profiles A2DP 1.4, AVRCP 1.6
Transmission Range: 2400–2483.5 MHz; ≤ 16 dBm EIRP
Modulation: GFSK, π/4 DQPSK, 8DPSK
USB‑C Port: 5 V/2.1 A (max) for device charging
Battery & PowerBattery Type: 17.15 Wh Li‑ion (~3.63 V / 4,722 mAh)
Playtime: Up to 8 hours (varies with volume and content)
Charge Time: ~4 hours
Extra FeaturesSelf‑Tuning Tech: Adjusts output to match room acoustics
Auracast™ Multi‑Speaker: Pair multiple speakers for stereo or group playback
Harman Kardon One App: EQ customization and device management
CompatibilityCompatible with Android and iOS devices via Bluetooth A2DP