Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      TCT25-16R1 Product Number TCT25-16R1 Description Enquiry Send Enquiry Specification Resonant Frequency (KHz) 25 Sensitivity (odB=v/Pa)(min) -66dB S.P.L.(at 10V 30cm)(odB=0.02mPa)(min) 117dB Capacitance( ± 30% PF) 2000   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)