Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      EM9752N Product Number EM9752N Description Ø9.7x5.2(H)mm Enquiry Send Enquiry Specification Sensitivity Range (dB) (0dB=1V/Pa. 1KHz) -51 ± 4dB ; -54 ± 4dB Directivity Noise Cancelling Impedance Low impedance Current Consumption Max. 0.5mA Standard Operation Voltage 2.0V Sensitivity Reduction Within -3dB at 1.5V S/N Ratio (dB) More than 58dB   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)