Harman Kardon Onyx Studio 9 Portable Stereo Bluetooth Speaker Black (HKOS9BLKUK)

The Harman Kardon Onyx Studio 9 is an elegant portable stereo Bluetooth speaker designed to deliver immersive, room-filling sound with refined style. Engineered for home and indoor portability, it combines crystal-clear vocals, bright highs, and deep bass with Constant Sound Field technology for a wider, more detailed soundstage. With its integrated aluminum handle, automatic self-tuning, and up to eight hours of battery life, the Onyx Studio 9 offers premium audio performance wherever you place it in your home.

Product Features

Immersive Harman Kardon Sound

The speaker delivers powerful, balanced audio with clear vocals, detailed highs, and deep bass, creating an engaging listening experience for music, podcasts, and entertainment.

Constant Sound Field Technology

Advanced sound processing widens the soundstage and enhances clarity, ensuring consistent and detailed audio across the room.

Automatic Self-Tuning

The speaker automatically calibrates itself based on its surroundings to deliver optimal sound performance wherever it is placed.

Elegant and Portable Design

An iconic circular design with a premium fabric finish and an integrated handle made from recycled aluminum makes it easy to move while maintaining a sophisticated look.

Built-In Rechargeable Battery

Enjoy up to eight hours of wireless playback on a single charge, allowing flexible placement without constant power connection.

USB Charging for Devices

The integrated USB Type-C port allows you to charge compatible devices while listening to music, adding everyday convenience.

Stable Bluetooth Connectivity

Bluetooth 5.3 ensures reliable wireless streaming with improved efficiency and compatibility with modern devices.

Product Specifications

• Model Number: HKOS9BLKUK
• Color: Black
• Rated Output Power: 50 W RMS
• Transducers:1 x 120 mm woofer, 3 x 20 mm tweeters
• Frequency Response: 50 Hz to 20 kHz (-6 dB)
• Signal-to-Noise Ratio: Greater than 80 dB
• Bluetooth Version: 5.3
• Bluetooth Profiles: A2DP 1.4, AVRCP 1.6
• Bluetooth Transmitter Power: Up to 12 dBm (EIRP)
• USB Port: USB Type-C
• USB Output Rating: 5 V / 2.1 A maximum
• Supported Audio Format: MP3
• Battery Type: Lithium-ion, 17.14 Wh (3.63 V / 4722 mAh)
• Battery Charging Time: Approximately 4 hours
• Music Play Time: Up to 8 hours (depending on volume and content)
• Power Supply: 100–240 V AC, 50/60 Hz
• Product Dimensions: 289.2 x 287.5 x 130 mm
• Packaging Dimensions: 312 x 322 x 172 mm
• Net Weight: 4.2 kg
• Cable Type: AC power cable
• Cable Length: 2.0 m