This Adapter is for the AUX Mic Return channel – Make All Games Voice Chat Work!
Without this adapter you will eventually run into issues where your in game mic isn’t working.
Some in game chat systems, like Sea Of Thieves uses the “left” channel for in game chat. If you hook up a Stereo Cable to the Aux port only the “Right” channel will be sent and no one will hear you in game!
1/4 inch Mono to RCA