When was the first headphone invented?

raman   October 20, 2011   Comments Off on When was the first headphone invented?

Nathaniel Baldwin invented the first headphone in 1910. The first headphone or earphone was made from leather, ceramics, copper and rubber. John C. Koss in the year 1958 invented the first stereo headphones.

first headphone

first headphone invetnor Nathaniel Baldwin

first headphone invetnor John C. Koss