Koss Plug BInaural Earphone Item # 569389
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The Plug earphone is the first of its kind. It delivers accurate acoustical reproduction and unbelievable isolation typically found in more expensive, closed-style earphone. 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 canal. The soft foam cushion expands for a custom fit to improve isolation and enhance deep bass and treble clarity.
|Minimum Frequency Response||10 Hz|
|Product Name||Plug BInaural Earphone|
|warranty length||limited lifetime|
|Maximum Frequency Response||20 kHz|