OVERVIEW: Iconic quiet, comfort, and sound: That’s the power of Bose QuietComfort® headphones: a best-in-class combination of noise cancelling, audio performance, and comfort. Add in Adjustable EQ so you can tune your music to your liking, and it’s love at first listen. Feels magical. But it’s not magic: It’s our Acoustic Noise Cancelling™ technology. The product of more than 50 years of research, it cancels outside noise using an opposite signal, resulting in more quiet and more of your music....