I have 2 Crown PCC 160 pressure zone microphones that are not working properly. The output needs to be amplified 70 db to get a signal and its very noisy. As both mics have the same problem i thought it might be the cable but this seems to be ok. I checked pinout and phantom power on pin 2 and 3.

Computers & Internet - Crown - Audio PCC-160 Phase Coherent Cardioid Microphone