Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      VA300F-04 Product Number VA300F-04 Description Enquiry Send Enquiry Specification Size (mm) ø 77 Rated Impedance (Ω) 4、8、16(±15%) Rated Power (W) 10 Max Power (W) 20 Resonant Frequency (Hz) 140 ± 20% Frequency Range (Hz) fo-15000 Sound Pressure Level (dB) 86±3 Magnet Size (mm) ø 55x25x8 ø 45x22x8   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)