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
How to set up the Razer Tiamat 7.1 surround sound headset
How to activate and use 7.1 Surround Sound
7.1 Surround Sound is not available as a playback device : r/razer
Razer Kraken V3 Pro HyperSense Wireless 7.1 Surround Sound Gaming Headset for PC with Chroma RGB Lighting Black RZ04-03460100-R3U1 - Best Buy
How to resolve 7.1 Surround Sound issues on the Razer Kraken