Superior sound performance with a wider soundstage Get lost in your music with our new Constant Sound Field technology. The three-channel system, featuring a dedicated center channel for crystal-clear vocals surrounded by two specially designed tweeters, delivers a wider soundstage. This immersive experience brings your favorite songs to life all around you Iconic design The Harman Kardon Onyx Studio 9 has a clean, circular design that looks great everywhere. The integrated aluminum frame doubles as a sturdy handle and stand, the soft but durable fabric looks sharp and feels nice, while the easy-to-use silicon buttons on top give you quick control. Bluetooth music streaming The Harman Kardon Onyx Studio 9 pairs seamlessly with up to two mobile devices simultaneously. Take turns sharing playlists and music, all in enhanced, dynamic sound Where sound becomes experience Elevate your everyday listening to an extraordinary sound experience with the Harman Kardon Onyx Studio 9. This elegant wireless Bluetooth movable home speaker delivers superior audio performance with crystal-clear vocals, bright highs, and deep bass that make your favorite music feel thrillingly immersive. Constant Sound Field technology widens the soundstage and improves the clarity and detail of your music. The substantial integrated handle (made with 90% recycled aluminum) and built-in battery with 8 hours of playtime make the Onyx Studio 9 easy to move with you in and around your home, and a built-in USB port recharges your device while you enjoy your music. And thanks to automatic self-tuning, it always delivers the best possible sound performance wherever you set it down. General Specifications Rated Output power 50W RMS Power supply 100-240Vac, 50Hz/60Hz Audio Specifications Transducers Woofer 1 x 120mm, Tweeter 3 x 20mm Frequency response 50Hz - 20kHz (-6dB) Signal-to-noise ratio > 80dB Dimensions Product dimensions (W x H x D) 289.2 x287.5 x 130 mm / 11.39" x 11.32" x 5.12" Packaging dimensions (W x H x D) 312 x 322 x 172 mm / 12.28" x 12.67" x 6.77" Net weight 4.2kg / 9.25 lbs Gross weight 3.33kg / 7.34lbs Control and Connection Specifications Bluetooth version 5.3 Bluetooth profile A2DP 1.4, AVRCP 1.6 Bluetooth transmitter frequency range 2400MHz - 2483.5MHz Bluetooth transmitter power ≤ 12 dBm (EIRP) Bluetooth transmitter modulation GFSK, π/4 DQPSK, 8DPSK USB port Type C USB rating 5V / 2.1A (Max) Supporting file format mp3 Battery Battery type Li-ion 17.14 Wh (equivalent to 3.63 V/ 4722 mAh) Battery charge time 4 hours Music play time up to 8 hours (dependent on volume level and audio content) Cable type AC power cable (type varies by regions) Cable length 2.0 m / 6.6 ft USB charge out 5V / 2.1A (Max)