Koss GMR-540-ISO Headsets


The Koss GMR-540-ISO Closed-Back Gaming Headphones are specifically designed and engineered to create an isolated environment for complete gaming immersion.
  • Detachable cord design
  • Rugged design & build
  • Limited Lifetime Warranty


  • Featuring new custom-tuned elements and closed-back design, the GMR-540 ISO Gaming Headphones deliver the isolating 3D sound game developers intended.
  • An ultra-lightweight design with an all-new custom fitting sling allows the GMR-540-ISO to be worn for hours of gaming and extended use. The over-ear design has the iconic Koss ?D-Profile? earcups that mimic the shape of the ear to create the perfect seal and lasting comfort.
  • The GMR-540-ISO also features a detachable cord design and comes equipped with two cords: an 8-foot extended cable with a boom microphone (with separate audio/voice plugs) and a 4-foot standard headphone cable with the Koss 1-touch microphone (with standard 3.5mm plug).


  • Closed-Back Design for isolated immersion
  • Custom engineered acoustics for immersive 3D sound
  • Lightweight design for extended use
  • Custom fitting sling headband
  • Detachable cord design
  • 8-foot Gaming cable with boom microphone
  • 4-foot Headphone cable with 1-touch microphone
  • Iconic Koss ?D-Profile?
  • Rugged design & build
  • Koss Limited Lifetime Warranty
SKU: GMR-540-ISO Categories: ,

  • 15-22,000 Hz
  • 35 Ohms
  • 103 dB SPL
  • 8 foot | 4 foot
  • Limited Lifetime Warranty


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