Click on the microphone that you want to adjust. Click on the button labeled "Properties" after you've selected the appropriate microphone. By default, this will open a Properties window set to the "General" tab. Click on the "Levels" tab. From this tab, you can click and drag the slider to change the recording levels.What is Mic gain setting?
One aspect of gain setting is gain-before-feedback. The microphone properties, the speaker properties, and the room properties all contribute to the level in which the audio system can produce sound without producing feedback caused when the reverberation field crosses over into the microphone field.