Used - Like New: Logitech G933 Artemis Spectrum Wireless RGB 7.1 Dolby and DST Headphone Surround Sound Gaming Headset - White - Newegg.com
Logitech G933 Artemis Spectrum Gaming Headset White 981-000620 - Best Buy
Logitech Announces the G633 & G933 Artemis Spectrum Headsets, First Headsets to Support Both 7.1 Dolby Surround Sound & DTS Headphone:X | High-Def Digest