You can specify output (play) and input (record) devices for playing and recording.
Choose Devices from the Options menu.
The Options dialog box is displayed, with Devices selected as the Category. If the Options dialog box is already displayed, choose Devices from the Category menu.
Select Speaker, Headphone, or Line Out as Output Sources.
Note that you can select more than one output source. Only devices that are installed on your computer are active.
Select Microphone, Line In, or CD as the Input Source.
Only devices that are installed on your computer are active.
Click OK to apply the specified values and close the Options dialog box.