The iPhone-specific microphone provides stable ... The package includes 2 lapel microphones, allowing two people to participate in video recording simultaneously.

However, newer releases -- from 2018's iPhone XS and onward -- saw the addition of even more microphones to the hardware. In general you don't need to think too much about where each one is ...

The AI-driven feature, called “Layered Recordings,” allows users to simultaneously record vocals and instruments using the ...