Starting in Camtasia 2.2.1 Camtasia for Mac has a new system audio recording plugin. To make sure you have this plugin installed follow these steps.
- Click Camtasia 2 > Preferences > Recording tab.
- Under system audio it should say "Uninstall Component". This means the component is already installed.
Then be sure to select the system audio icon in the Recorder portion of Camtasia.