Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      LPB1475-1 Product Number LPB1475-1 Description Ø14x7.5(H)mm; Enquiry Send Enquiry Specification Rated Current (mA) ≦7 Resonant Frequency (Hz) 4000 ± 500 Operating Temperature Range (℃) -20 ~ +60 Storage Temperature Range (℃) -30 ~ +70 Weight 1g Rated Voltage ( V )D.C. 12 Operating Voltage ( V )D.C. 3~16 Sound Ouput at 10cm (dB) ≧80   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)