Bose QuietComfort 20i Earphones

While headphones have plenty of room to hide noise-canceling components, earphones have to rely on an external module, awkwardly strung between the buds and the audio source. The QuietComfort 20i's from Bose are no exception, but the market leader in noise cancellation has shrunk that box down and delivered the company's usual excellent – though bass-heavy – audio quality. [$280; bose.com]