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Koss PLUG Portable Stereophones

Works with ALL s, Sony PSP , MP3, Players

The Plug, a stereo earbud for the discriminating listener.

The Plug earbud is the first of its kind. It delivers accurate acoustil reproduction and unbelievable isolation typilly found in more expensive, osed-style stereophones.
The Plug features a dynamic element that is positioned just outside the ear and connected to a tubular port structure that is inserted on a soft expandable cushion into the ear nal. The soft foam cushion expands for a custom fit to improve isolation and enhance deep bass and treble arity. The Plug features special ear cushions made of hydrophillic, formed urethane, for a custom fit each and every time it is inserted into the listener`s ear. The custom fit enhances isolation when you want to plug out ambient sounds that interfere with the listening experience. The Plug has a frequency response performance of 10-20,000 Hz and full Sound of Koss. Combined with your favorite music and a portable sound system, it is the ultimate accessory on the go