Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      RA30H4.9A8DBRJ12 Product Number RA30H4.9A8DBRJ12 Description Enquiry Send Enquiry Specification Rated Impedance (Ω±15%) 8 Rated Power (W) 1.0 Max Power (W) 1.2 Resonant Frequency (Hz±20%) 650 Frequency Range Fo (Hz) 5K Sound Pressure Level (±3dB) 92 Size (mm) Dia 30 Size (mm) Height 4.9   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)