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The headphones are targeted for active users of all ages always on the go.

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silicone cover is very good, lasts a long time without wearing out

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sound isolation is very good, blocks out surrounding noise

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soft tips feel very comfortable in the ear canal, can wear them for hours

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no noise when moving the cord around

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stays in your ears well enough that you can wear them while running

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come in a variety of nice colors that will match your personal taste

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cushions wear and start to fall off

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  • Only 3 words are allowed.


The Koss KEB20 model is a mid-grade headphone set designed to imitate more expensive models and provide an exceptional listening experience at a cheaper price. The headphones are targeted for active users of all ages always on the go, thanks to the headphone's lightweight and portable design. The KEB20 headphones feature a dynamic element that sits just outside the ear, and a connected ear-bud port structure designed to output an extended frequency response of 15-20,000Hz. The KEB20 ear-bud cushions are made of soft hydrophillic, formed urethane, for a comfortable and custom ear fit and the headset comes with small, medium and large sets. The ear-bud cushion is designed to expand once fitted inside the ear canal in order to block out excessive ambient noise. Additional KEB20 features include varying body colors available, a 4 foot tangle free cord with a white color that matches the design of most modern mp3 players, a nickel plated mini stereo plug for maximum conductivity, and a Koss "No-Questions asked" lifetime warranty. The KOSS KEB20 ear-bud headphone set was released on March 17, 2007 and has an MSRP of $19.99, which is listed on the official Koss website.

Key Specs
  • Dynamic Element that sits outside the ear canal
  • Ear-bud port structure with soft urethane cushion ear pads that expand once inside the ear canal
  • Extra ear pad cushion sets of varying sizes
  • 4 foot tangle free cord; white color
  • Nickel plated mini stereo plug
  • Different colors available to compliment all MP3 player colors; blue, green, pink, black, silver, and white
  • Koss lifetime warranty
  • Frequency Response: 15-20,000Hz
  • Impedance: 16 ohms
  • Sensitivity: 100dB/mW
  • Release Date: 03/17/2008
  • MSRP: $19.99
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