The KOSS Pathfinder 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... more
Koss RUK20 in-ear stereophones pair the Sound of Koss with unique color combinations to best express your own personal style. Bold people deserve bold headphones. RUK20 noise-isolating in-ear headphones deliver the Sound of Koss in style. Koss RUK20 is... more
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