Sentry H0500 Noise Canceling Headphones (Discontinued by Manufacturer)

Whether you're on a plane, subway, or a crowded street, noise-canceling headphones will drown out almost everything around you. Bringing peace and quiet to your ears. But how do they actually work? You've probably seen noise-canceling headphones become pretty widespread over the last decade or so. But did you know the concept actually dates back to 1978? That's when Dr. Amar Bose took a flight from Zurich to Boston. He became frustrated that the noise of the plane drowned out the music playing through the electronic headsets on the flight. Now, Bose's name might sound familiar. He is the founder of Bose audio, which has become synonymous with noise-canceling headphones. However, it would take several years and millions of dollars in research for that to happen. Which all began on this flight. When Bose designed his first concept for noise-canceling technology. Bose's solution was simple