Koss PLUG Earbuds & In Ear Headphones

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The Koss Plug revolutionized the world of in-ear headphones.
  • Limited Lifetime Warranty
  • 112 dB SPL/1mW
  • 16 ohms

  • ?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.


  • 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



  • 10-20,000 Hz
  • 16 ohms
  • 112 dB SPL/1mW
  • Straight, Dual Entry, 4ft
  • Limited Lifetime Warranty