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The first pair of headphones was invented somewhere around 1881. The first headphones were actually used for phone operators. weighed over 10 pounds!
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The second pair of headphones were invented in 1895. These were the first pair of headphones that could be used at a home. Even though you had to hold them up to keep them on your ears. They actually looked more like stethoscopes.
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The third pair of headphones ever invented were invented in 1910. Nathaniel Baldwin was the inventor. He crafted these in his kitchen and sold them all to the U.S. Navy.
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The fourth pair of headphones ever invented was the DT-48's. They became the first digital headphones to hit the market.
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The fifth pair of headphones; The K120's. These headphones were a very high seller and did very, very well.
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The sixth pair of headphones was the first pair of stereo headphones ever invented. over a few years of these headphones being released, and he was dominating the headphone industry.
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the SR-1's were the first pair of electrostatic headphones. A year after they debuted in Tokyo, they boomed on the market.
