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first headphones were created by Nathaniel Baldwin in his kitchen and then sold it to the U.S Navy, it was made of rubber, leather, copper and ceramic http://visual.ly/history-headphones
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A German company created the first dynamic headphones, they are still in production even today, but with various changes over the years, the headphones were not for public consumption, it was used for hi-fi listening, it was made by moving coil
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John C. Koss created the first stereo headphones which allowed people to listen to music, They demonstrated the device in Wisconsin http://www.brighthub.com/computing/hardware/articles/31558.aspx
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The Koss ESP/6 were the first electrostatic headphones produced, providing lower weight
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The invention of the Walkman is the most important event in the history of headphones, It made headphones and the music player portable, it cost $200 for a pair of sony portable music player and a sony DLR-3L2 headphones
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Fueled by the desire to cancel outside noise during transatlantic flights, Dr.Amar Bose created the first pair of noise cancelling Bluetooth headset, the first set was created for pilots it was not released for people until 2000 when the Bose quite comfort(Qc1) with patented acoustic-noise- cancellation technology wich hit the market
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even though apple did not invent earbuds, the launch of their iPod made them an instant success since their invention apple has shipped out over 600 million sets of 1st generation ear buds.
http://pulseaudio.com/the-complete-history-of-headphones/ -
while the white iPod buds were iconic, Skullcandy took headphones to new vibrant styles and designs to be noticed
http://visual.ly/history-headphones