Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      TCT40-10T1 Product Number TCT40-10T1 Description Enquiry Send Enquiry Specification Resonant Frequency (KHz) 40 S.P.L.(at 10V 30cm)(odB=0.02mPa)(min) 110dB Capacitance( ± 30% PF) 1700   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)