Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      VB400W-04 Product Number VB400W-04 Description Enquiry Send Enquiry Specification Size (mm) 102x102 Rated Impedance (Ω) 4、8、16(±15%) Rated Power (W) 10 Max Power (W) 20 Resonant Frequency (Hz) 75 ± 20% Frequency Range (Hz) fo-9000 Sound Pressure Level (dB) 84±3 Magnet Size (mm) ø 60x32x10 ø 50x32x8   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)