Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      UT1511H3.0MTBOX Product Number UT1511H3.0MTBOX Description Sound Pressure Level: 86dB Resonance Freq(fo): 850 ±15% Rated Power:0.75W Max Power: 1.0W Enquiry Send Enquiry Specification   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)