Inspired and designed by Grammy Award winning producer Quincy Jones, the AKG N90Q is a state of the art, flagship level headphone that represents the ultimate in acoustic performance and audio customization. Utilizing TruNote and featuring the ultimate Active Noise Cancelling technology, users will enjoy high end, faithful and precise sound reproduction. The sound stage and tone control are both easily adjustable from the ear cup, allowing the listener to personalize the sound signature to his personal taste and to the music genre he is listening to.