The Harman Kardon Onyx Studio 9 is a premium, room-filling Bluetooth speaker that elegantly blends high-fidelity audio with furniture-like design. Designed primarily for indoor use, it features deep bass and crisp highs suitable for any genre.Key Features & DesignIconic Look: Its sleek, circular aesthetic and integrated aluminum frame (made from 90% recycled aluminum) act as a sturdy base and a built-in handle.Audio Engineering: Powered by Constant Sound Field technology, a 120mm woofer, and three 20mm tweeters, it separates high frequencies perfectly while isolating vocals for a rich, dynamic listening experience.Automatic Self-Tuning: The speaker automatically calibrates its audio output to match its immediate environment or room layout every time you turn it on.Everyday Convenience: It features a built-in battery with up to 8 hours of playtime and includes a USB port so it can double as a power bank for your mobile devices.Multi-Speaker Connection: Using Auracast, you can wirelessly sync multiple Harman Kardon speakers (or compatible units from other brands) for a wider, more immersive soundstage.App Integration: You can personalize your audio preferences via the Harman Kardon ONE App, which provides access to a custom EQ.Specifications at a GlanceRated Output Power: 50W RMSFrequency Response: 50Hz - 20kHz (-6dB)Connectivity: Bluetooth 5.3 and 3.5mm Aux portWeight & Dimensions: 4.2 kg (9.25 lbs) | 289.2 x 287.5 x 130 mm