I am on a ps4What is the audio on the console set to?
It should be stereo PCM/uncompressed.
I have a CTIA cable plugged into my controller then my muc from my headphones into the pink part of the CTIA then a splitter into the green plug and one side of the splitter goes to the elgato the other to my headsetDo you have a headset connected to the PS4 controller or to the PS4 via USB?