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1910
Nathaniel Boldwin American man who transformed the signals from a radio into sound. -
1958
John C. Koss made the improvement of this invention, creating a model at big horns and a strap that held the head. -
1979
Headphones walkman created with the idea that the headphones should be compact and lightweight. They base their operation on magnetic recording on a tape. -
1984
The dicsman was the commercial name given to Sony's first portable CD Player, the D-50, which was the first to reach the market in 1984, and which would be adopted by Sony's Line of portable Cd Players. -
1992 MP3
It is a common audio format used for the music on both computers and portable audio Players. -
1995
The fisrt headphones with noise cancelling, with these the external sounds are canceled and block the unwanted sound. -
2001
The Helmest of headphones beats of beats electronics, American company that redesigned the old headphones creating an attractive and powerful model. -
2011
First headphones Surrounded 3D, the headphones included two additional models, in addition to cinema mode: the voice mode and the game mode, which were avaliable for replaying voices. -
Nowadays
With the advance at the electronics, the Am/Fm radio receives and other wireless, infrared, Bluetooht or wifi communication capabilities have been incorporated.
