Bose QuietComfort 2 Noise Cancelling Headphones Great Ideas Collection
Noise cancelling headphones were originally found in noisy airplane cockpits to help pilots to be heard over the roar of wind noise.

The latest use is for listening to music while blocking out noise on crowded planes, trains, buses and city streets to enable you to listen to your favorite tunes in a world of your own.
Bose Headphones
Shopping Tips
Look for models with high quality audio and without an external battery back, like the next generation of Bose® Noise Cancelling® headphones, which dramatically reduces the ambient noise by generating a signal opposite to the ambient noise. Under $300 at Sharper Image.
Sharper Image
Used at eBay
Under $25
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