Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      FB400F-07 Product Number FB400F-07 Description Enquiry Send Enquiry Specification Size (mm) 103x103 Rated Impedance (Ω) 3、4、8、16(±15%) Rated Power (W) 3 Max Power (W) 5 Resonant Frequency (Hz) 120 ± 20% Frequency Range (Hz) fo-14000 Sound Pressure Level (dB) 88±3 Magnet Size (mm) ø 45x22x8   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)