Microfone de lapela stereo sony ECM-717Impecável sem marcas de uso, acompanha bolsa e bateria sem usoMicrophone Technology. electret condenser.Microphone Operation Mode. stereo.Connectivity Technology. Wired.Impedance. 1.5 KOhm.Dynamic Range. 80 dB.Max Sound Pressure. 110 dB.Audio Input Details. Stereo - 100 - 15000 Hz - Effective Output Level 47 dB ± 4 dB - Output Impedance 1.5 kOhm ± 30%