SH-4001 Shadow sax-clarinet transducer FWF-MOA1 FWF flute omnidirectional microphone with flexible fixation and preamp with tone control FWF-MDA2 FWF reeds instruments cardioid microphone with flexible fixation and preamp with tone control FWF-MOA3 FWF brass instruments omnidirectional microphone with flexible fixation FWF-MDA22 FWF reed instruments double microphone with flexible fixation and preamp with tone control