Are There More Than Two Microphones Macbook Pro 13 Retina Display Early 2015

Chosen Solution

If I cover the two microphones at the side of the Macbook, I can see audio is still being picked up. If I place my fingers tightly against the microphones, I can see it is still picking up sound and that isn’t simply interference from my fingers.

I think you are covering the speakers. UPDATE: Here’s how to locate and disconnect the dual microphones: MacBook Pro 13" Retina Display Early 2015 Dual Microphone Assembly Replacement