Enter stage left, the Epos Sennheiser GSX300 external sound card which bypasses your PC’s onboard sound, instead managing all the sound encoding through a rather small black (or white) box with a minimalist design. The only buttons are a rotary dial that controls the volume and a small button that selects the soundscape, be it 2.0 or 7.1 sound. The Sennheiser GSP 300 is a closed-back headset featuring XL memory foam ear pads that provide best-in-class comfort, while keeping you immersed in game play with improved ambient noise isolation. With a noise-cancelling microphone that minimizes background noise, your team will be able to communicate clearly. It works great. Sennheiser hme95it is in excellent cosmetic condition....(posted on April 24th, 2017) 300-241-448 Sennheiser Noisegard Aviation Headset (46.5% similar) Sennheiser hmdc-322 noisegard aviation headset. Active noise cancelling pilot headset comes with all parts, canvas carry bag, and manual.