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Koss PortaPro headphones
First introduced: 1984
Until Sony introduced the WalkMan in 1979, headphones were typically oversized "cans" that audiophiles and stoners used to listen to their jams while connected by a long cord to their hi-fi systems. So when music went mobile, lightweight headphones naturally followed. And man did they stink. Legendary headphone maker John Koss -- an entrepreneur who started out in the '50s renting TVs to hospitals -- put out a few models before finally launching the PortaPro in 1984. Unlike most lightweight models, these put out unbelievable sound, were comfy, folded up to fit in a pocket, and were affordable. They haven't changed since and are still the choice of many a discerning audiophile and stoner alike, who now listen to their iPod jams on the go.
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