Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      UTRA17H3.3DJMT Product Number UTRA17H3.3DJMT Description Size: 17mm Height: 3.3mm Sound Pressure Level: 87dB Resonance Freq(fo): 850 ±15% Rated Power:0.8W Max Power: 1W Enquiry Send Enquiry Specification   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)