CANNON -the other name is microphone connector,it is an audio interface head designed for high-end microphones such as condenser microphones. The card head is divided into two cores, three cores, four cores, etc., and the sound can be normally input to the computer through the 48V commutation power supply or the mic.We specialize in the production of cannon connectors. we can do the OEM AND ODM,Any need, please contact with Ms Dai, email is sales@huayanelec.com.