The EM-410 is a miniature, lightweight hypercardioid condenser microphone that can be clipped to a shirt or tie. It is designed for best performance when attached to the chest area, enabling high-quality sound pick-up.
The AN-9001 is an electret condenser microphone designed for ambient noise detection. It is used in conjunction with the AN-001T Ambient Noise Sensor Input module in the 9000 Series system. It can be mounted in a 1-gang electrical box in the ceiling or wall.