When using the audio input terminals on the rear of an ExacqVision Hybrid NVR, you will need a microphone with a a pre-amplifier capable of producing a line level output that can be connected directly to the ExacqVision audio terminal inputs. If using a mic level output microphone, you will need a mic pre-amp to… Continue reading What types of microphones are compatible with the ExacqVision Hybrid NVR?