Koss CS100 Communication Headset

Item # SRSCS100
| Mfg # CS100
| UPC # 021299142851
Our Price: $19.99

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The Koss CS100 communication headsets boast a full range of sound that helps bring every conversation to life. With high noise sensitivity and reduced sound distortion – not to mention hands-free communication via an electret, noise cancelling microphone – it will seem as if the person on the other end of the line is right in front of you.  

Whether you employ telephony, voice-activated or voice recognition software – or indulge in computer games with sound cards that feature built-in bias supply* – CS100 headsets offer long-lasting comfort to accommodate the longest of telecommunications.

*Can be used with an external power source if sound card does not have built-in bias supply.


  • Full range of sound brings games to life
  • Dynamic element delivers high sensitivity and reduced distortion for premium sound at all volume levels
  • Improved signal transmission and conduction for cleaner, clearer sound
  • Ear cushions create balanced, open, hear-through sound, maximizing comfort and evenly distributing sound
  • 8 foot cord maximizes movement
  • Electret noise cancelling microphone
  • Covered under the Koss Stereophones Limited Lifetime Warranty
  • Frequency Response: 30-16,000 Hz (headset); 100-16,000 Hz (microphone)
  • Impedance: 32 ohms (headset); Same as load resistance (microphone)
  • Sensitivity: 91 dB SPL/1 mW (headset); -56 dB +/- 3 dB per 1 V/1 KHz (microphone); (-36 dB +/- 3 dB, V/Pa)
  • Cord: Straight, Single-entry, 8ft

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Product Warranty Information

  Product warrenty information

All instruments in our catalogs and on our shopping site carry the manufacturers' warranties against defects in parts and workmanship. Should a defect occur within the manufacturer's warranty period, contact us immediately.

We will be glad to help facilitate the repair or replacement as specified by the manufacturer. The manufacturer will determine whether the defect is covered under their warranty; we do not make that determination.

Please note: U.S.-based manufacturers WILL NOT honor warranties for items sold and shipped outside the U.S. Also, if a school, school district, or board of education purchases an instrument and resells it to an individual, the manufacturer considers the warranty to be void. Warranties are extended only to the original purchaser!

All warranties, stated or implied are held with the product manufacturer and they vary from item to item. Consult the documentation that came with your product for details in addition to the information below.
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In 1953, John Koss began Koss Corporation by renting television sets to Milwaukee area hospitals, and soon turned his eye and ear to the budding Hi-Fi industry, creating the first Stereo- phone. Today, there is a quality Koss Stereophone for every personal listening need.
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