Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      4011LN Product Number 4011LN Description Ø4.0x1.1(H)mm Enquiry Send Enquiry Specification Sensitivity Range (dB) (0dB=1V/Pa. 1KHz) -44±3dB ; -46±3dB ; -48±3dB Directivity Omnidirectional Impedance <2.2kΩ Current Consumption Max. 0.5mA Standard Operation Voltage 2V DC Sensitivity Reduction Within -3dB at 1.5v S/N Ratio (dB) >58dB   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)