![Bose QuietComfort 15, noise-cancelling headphones](http://townsquare.media/site/807/files/2012/09/xlarge-2.jpg?w=980&q=75)
Bose QuietComfort 15, noise-cancelling headphones
For the frequent traveller, noise-cancellation headphones are an essential item. Noise-cancelling technology has come a long way. The essence of the technology is to create a sound wave that emits a sound with the same amplitude but with an inverted phase, also called antinoise...