TM-90BM Boundary Condenser MicrophoneThe TM 90BM is an affordable boundary condenser microphone for applications where multiple speakers or other sound sources are to be miked on an equal basis. It is ideally suited for personal broadcasting, reinforcement of conferences or stage plays or ambience miking, for instance. Compared to miking with several microphones, using a boundary mic has several advantages like higher sensitivity, less tone colouration, an unobstructed view, less