Microphone (ANC/ASE)

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

The front right, front left and rear microphones (active noise control) are installed in the headliner.

Courtesy of NISSAN NORTH AMERICA, INC.
The microphones are used for Active Noise Cancellation (ANC) and Active Sound Enhancement (ASE).
Power is supplied from the BOSE speaker amp. to the microphones.