Recently Developed systems like CustomTune elevate the QuietComfort Earbuds 2’s sounds cancelation by mechanically calibrating ANC plus the sound frequency profile to the unique Homes of your respective ear. . It works with all articles — not merely articles produced to aid it, like Dolby Atmos in Apple New music https://medium.com/@usama276181/unleash-the-sound-the-ultimate-bose-quietcomfort-earbuds-review-youve-been-waiting-for-db4cc4702b61