Harman Kardon Onyx Studio 9 Color:Black covering an ultra-wide frequency range

covering an ultra-wide frequency range of 20-40KHz

Easy setup with your phone

By calibrating the audio and noise cancellation precisely to the acoustic properties of each ear canal

Twist to adjust volume and manage playback

so you can monitor the performance of the power bank at any time

Harman Kardon Onyx Studio 9 Color:Black covering an ultra-wide frequency rangeSuperior 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