At the top of the main Audacity window, to the right of the play control buttons, you will see the input and output level meters (labeled L and R). Under the output level meter is an icon that looks like a microphone. Next to the microphone is a black arrow that points down. Click this arrow and select Start Monitor. (If you don't see the input and output level meters, Preferences should be adjusted.)
Audacity Preferences
1.Click the “Audacity” on the Audacity Control Panel and select “Preferences”.
¾The window will open up to Audacity Preferences. You can see the Audio I/O, Quality, Import/Export, Interface, Spectrograms, Directories, Smart Recording, Theme, Keyboard and Mouse.
2.Audio I/O tab
Select the Recording Device: Core Audio (USB Audio CODEC)
¾Click the “Audio I/O” in the Audacity Preferences window
Under the Playback & Recording Sections:
¾Click the “Device” and select “Core Audio (USB Audio CODEC)”
¾Click the “Channels” and select 2 (stereo)
Under the Playthrough Section
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