How can I play the sound from the audio in through my speakers?
Solution 1:
If you don't have Garageband installed you can also use Quicktime.
- Open Quicktime
- Go to
File -> New Audio Recording. You will see the following screen:
- Click on the little triangle on the right and choose
Built-in Input: Line inas shown in the screenshot. - Slide the volume under the record button up until you have the desired loudness.
Solution 2:
You can use GarageBand:
- Create a new project and choose for example the voice template
-
Set Monitor to On
Optionally remove the effects from the Edit tab