True 7.1 headset only uses front driver - Audio - Linus Tech Tips
Amazon.com: Razer Tiamat 7.1 v2 Gaming Headset: Dual Subwoofers - Audio Control Unit - Rotatable Boom Mic - Works with PC - Classic Black : Video Games
RAZER/Razer Tiamat 7.1 V2 professional gaming headset analog 7.1 surround sound black - AliExpress
Amazon.com: Razer Tiamat 7.1 v2 Gaming Headset: Dual Subwoofers - Audio Control Unit - Rotatable Boom Mic - Works with PC - Classic Black : Video Games