IPhones have undeniably the best microphones in the industry, there are a total of 3 microphone on iphone 11 and below are the 3 microphones discussed in brief:-
1. Rear microphone- As the name suggests, it is located on the back of the iPhone. It is located right beside the camera for video recordings.
2. Front microphone- This mic is located right beside the selfie camera.
3. Bottom microphone- This mic is located at the bottom left spreaker grill.