Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      FF200C-07 Product Number FF200C-07 Description Enquiry Send Enquiry Specification Size (mm) ø 50 Rated Impedance (Ω) 4~50(±15%) Rated Power (W) 0.4 Max Power (W) 0.8 Resonant Frequency (Hz) 370 ± 20% Frequency Range (Hz) fo-4000 Sound Pressure Level (dB) 86±3 Magnet Size (mm) ø 35x18x6   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)