When is headphones invented?

Answer 1910

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Who invented headphones and when?

Head phones were invented in 1937 by a German company Beyerdynamic.

When was the headphones invented?

When did headphones invented?

When were headphones invented'?

Oregon Driver's Manual says it's dangerous, but doesn't say anything about it being illegal (the recently instituted cell phone law is just above this part, so I trust that it's the most current Ma... Read More »