How do I add a microphone in ManyCam? Navigate to Audio Tab in ManyCam Find “Audio Input” widget and click on “Add Audio Device (Mic)” Select your microphone from the drop-down list Updated on May 28, 2018 Was this article helpful? Yes No Related Articles My Computer slows down when using ManyCam System Sound not available (macOS) ManyCam Virtual Webcam not visible on a website How do I adjust audio delay? How do I prepare a new preset during a live broadcast? Can’t start video. Try closing other programs that might be using your webcam.