Razer - Razer Surround is integrated within Razer's Synapse 2.0 application, offering virtual 7.1 surround sound and storing individual audio signatures in the cloud for easy access anytime and on any systems.
V MOTA AND Suitcase Carry Case Box Compatible with Razer BlackShark PRO V2,Kraken 7.1 Chroma,Chimaera 5.1,Opus Headphone|Earphone Accessories| - AliExpress
Razer's Tiamat 7.1 Headset Brings True Surround Sound to Your PC Games - GameSpot
Diy 40mm Replacement Speaker Unit Driver Repair Parts For Razer Electra V2 7.1 Usb Wired Gaming Headsets Headphones - Earphone Accessories - AliExpress
User manual Razer Chimaera 5.1 (English - 15 pages)
The Razer Chimaera – G Style Magazine
Razer Tiamat 2.2 vs Razer Tiamat 7.1: What is the difference?
Razer Chimaera Wireless Gaming Headset With Charging Dock Only. for sale online | eBay