Originally Posted by
AOD_Hetzer_75
I have been using a Steelseries Arctis 7 wireless headset and it haves this feature. It's basically a dial on the side of my headset that can make either the voice chat louder or the game sound louder (at the expense of the other). It's helpful to change on the fly depending on the type of game - if I'm playing World of Warships I mainly want to hear people I'm playing with because the game audio isn't that important while if I'm playing Escape from Tarkov it's the opposite.
This video goes over the feature well. On the Steelseries wireless headsets the chatmix feature is on the headset but if you have a wired headset there is an inline dial on the cable: