CMB 3.102V - Audio Stimulii - How to present audio stimuli to test subject via headphones vs. speakers

If you want to present stimuli via headphones and not speaker make sure the speaker is off.

And make sure the headphone volume is up.

If you want to present stimuli via speaker and not headphones make sure the speaker is on and the speaker knob is up.

And make sure the headphone volume is down.