Used - Like New: Logitech G933 Artemis Spectrum Wireless RGB 7.1 Dolby and DST Headphone Surround Sound Gaming Headset - White - Newegg.com
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 G933 White Over the Ear Artemis Spectrum Gaming Headset for sale online | eBay