Microfono a Condensatore Omnidirezionale Electret Microfono Capsula 6x5mm 7x9mm 6x2,2mm
6x5mm 7x9mm 6x2.2mm. Belongs to commonly used condenser microphones. ♥ Since the input and output impedances are very high, a Field-effect transistor should be installed inside the microphone shell as an impedance converter.