
It has no use while using Discord or gaming. The stereo mix setting is used to send the input sound of the computer as output. Solution 1: Disabling “Stereo Mix” Setting Some keyboards provide USB connectors for other devices to plug in and due to certain bugs, it can cause this issue. Wrong Plug-in: Lastly, another common trigger for the problem is when the Headphones are connected in the keyboard.


This can cause a problem where the in-game audio is heard from the mic. Sound Settings: If in the sound settings the input device or the output device is selected as “stereo mix” it prompts the output (your speakers) and the input (your microphone) sounds to mix.
