Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      LET1411S-03 Product Number LET1411S-03 Description Ø14x1.1(H)mm; Enquiry Send Enquiry Specification Rated Voltage ( V ) 3 Operating Voltage ( V ) 2~4.5 Rated Current (mA) ≦70 Sound Ouput at 10cm (dB) ≧85 ; TYP.88 Coil Resistance (Ω) 19 ± 3 Resonant Frequency (KHz) 3.2 Operating Temperature Range (℃) -25 ~ +70 Storage Temperature Range (℃) -30 ~ +85 Weight 1g   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)