I fixed a Razer Tiamat 7.1 v1 headset with a bad bass driver : r/headphones
The Razer Tiamat 7.1 - Video Setup Guide - YouTube
Review Virtual Acoustic Cave GH51 Pro - Insider Tip with 8 separate drivers against Virtual Surround and the Razer Tiamat 7.1? | igor´sLAB
Razer - The gaming headset for the hardcore — experience true surround sound with the analog Razer Tiamat 7.1 V2: http://rzr.to/Tiamat71v2 Boasting 5 discrete drivers on each ear cup, this 10-driver headset
Best Buy: Razer Tiamat 7.1 V2 Wired True Surround Sound Gaming Headset for PC Black RZ04-02070100-R3U1