Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      XZ-22B-48S Product Number XZ-22B-48S Description Enquiry Send Enquiry Specification Resonant Frequency (KHz) 4.8 ± 0.5 Resonant Impedance (Ω)max 800 Static Capacitance(pF)±30% 12000 Shape J Dimensions(mm) (D±0.1, d±0.2, T±0.05, t±0.02) 22 , 16.8 , 0.38 , 0.20 Plate Material Brass   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)