Noise Cancelling

CES 2011: Sennheiser Announces CXC 700 Noise Cancelling Headphones

Now you can shut out sound in different environments.

Bose Releases Quietcomfort 15 Headphones

Bose has introduced the QuietComfort 15 Acoustic Noise Cancelling headphones, claiming to be its "quietest" headphones ever.

Sony MDR-NC7 Noise Cancelling Headphones

Noise cancellation headphones should be cheaper, and this Sony model is setting an example, though there are drawbacks.