Yes. I've tried a Bose and others. The cancelling did differ from each one.
But I don't use such since they eat batteries.
I dislike the music that is played at my fitness center. Unfortunately, it is played so loudly that it almost drowns out the music I listen to on my portable music player. If I were to use noise canceling headphones, would the volume of the center?s music be reduced? Also, is there much of difference in the quality between the $50 and the $100 headphones?