SM912C/SM912D conference microphone, SINGDEN research and development of professional
 conference microphone, and its unique digital processing and transmission technology, excellent 
sound performance, high reliability, advanced digital technology and audio technology help to 
combine for a variety of meeting occasions fully,SM912C/SM912D unique ability to process high 
sound pressure conference microphone audio line has the full-balanced design and unique masking
 techniques, anti-cell phone RF interference. Digital display LCD, used for display the microphone
 ID and status.