Logitech Announces the G633 & G933 Artemis Spectrum Headsets, First Headsets to Support Both 7.1 Dolby Surround Sound & DTS Headphone:X | High-Def Digest
Logitech G635 DTS, X 7.1 Surround Sound LIGHTSYNC RGB PC Gaming Headset - Newegg.com
Logitech G933 Artemis Spectrum, Wireless RGB 7.1 Dolby and DTS Headphone Surround Sound Gaming Headset, White | Gaming headset, Gaming headphones, White headphones