The versatility of Koss’ KDX100 in-ear headphones is what makes them such a superior option for music lovers. Intrinsic in their design are high fidelity and custom comfort features that deliver the type of accurate acoustical reproduction and unbelievable noise isolation of high-end, closed-style headphones.


Connect to your smartphone in a new way with Koss iSpark, the latest in high fidelity in-ear headphones. Enhance your musical experience with the iSpark’s incredible bass response.

The unique in-ear headphone design directs sound into the ear canal for deep bass and extended frequency performance.

With iSpark’s slow memory ear cushions, you are guaranteed a great sound and a tailored fit every time. This specialty ear cushion material forms slowly in the ear canal providing a custom fit and maximum isolation.

The iPhone-compatible 3.5 mm mini plug and 4 foot cord includes an in-line microphone and button for accessing phone functions. Koss iSparks include extra memory foam cushions and a glove-soft carrying case.

Key Features:

  • Dynamic element for extended frequency response
  • In-line microphone and push-to-talk button
  • Includes one spare pair of large size ear cushions
  • Includes convenient carrying case for protective storage
  • Works with the Apple iPhone and other smartphones with a 3.5 mm jack


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