How to set up the Razer Tiamat 7.1 surround sound headset
Razer Tiamat 7.1 Surround Sound Over Ear PC Gaming Headset - Newegg.com
Razer Tiamat 7.1 v2 Gaming Headset: Dual Subwoofers - Audio Control Unit - Rotatable Boom Mic - Works with PC - Classic Black : Amazon.co.uk: PC & Video Games