How to set up the Razer Tiamat 7.1 surround sound headset
Razer Tiamat Headset - Pangoly
Razer Tiamat 7.1 V2: Dual Subwoofers - Audio Control Unit - Rotatable Boom Mic - Gaming Headset Works with PC, PS4, Xbox One, Switch, Mobile Devices - Walmart.com
Razer's latest Tiamat headset delivers 7.1 sound straight to your ear canals | Engadget