Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      FA201F-04 Product Number FA201F-04 Description Enquiry Send Enquiry Specification Size (mm) ø 57 Rated Impedance (Ω) 4、8、16(±15%) Rated Power (W) 2 Max Power (W) 3 Resonant Frequency (Hz) 300 ± 20% Frequency Range (Hz) fo-7000 Sound Pressure Level (dB) 90±3 Magnet Size (mm) ø 40x19x6   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)