This disclosure relates to a microphone system for a motor vehicle, having a first, second and third microphone and a signal processing device, which is configured to process respective signals provided by the microphones; wherein the signal processing device is configured to process the signals of the first and second microphones in such a manner that a driver directivity oriented towards a position of a driver seat is provided, or to process the signals of the second and third microphones in such a manner that a passenger directivity oriented towards a position of a passenger's seat is provided, and to provide a driver interfering noise directivity by processing the signals of two microphones together, and to further process a driver useful signal associated with the driver directivity in dependence on a driver interfering signal associated with the driver interfering noise directivity or to provide a passenger interfering noise directivity by processing the signals of two microphones together, and to further process a passenger useful signal associated with the passenger directivity in dependence on a passenger interfering signal associated with the passenger interfering noise directivity in order to improve a quality of the respective useful signal.