Key Features:


Noise isolating in-ear headphones
Memory foam ear cushions
In-ear headphones expand for custom comfort, improving isolation and high fidelity,
and enhancing deep bass and treble clarity
Additional soft foam ear cushions included
Covered under the Koss Stereophones Limited Lifetime Warranty


The Koss Plug revolutionized the world of in-ear headphones. A first of its kind, these are stereo, noise isolating in-ear headphones that deliver the kind of accurate acoustical reproduction and isolation typically found in high-end, closed-style high fidelity headphones.


A dynamic element positioned just outside the ear connects to a tubular port structure that inserts into a soft, expandable cushion. The soft, foam cushion expands for a custom comfort fit with every listening experience. It also improves isolation, plugging out ambient sounds, and enhances deep bass and treble clarity.


Combine the Koss Plug with your favorite music and it instantly becomes the ultimate accessory for on the go listening.