Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      VB400F-01 Product Number VB400F-01 Description Enquiry Send Enquiry Specification Size (mm) 102x102 Rated Impedance (Ω) 4、8、16(±15%) Rated Power (W) 3 Max Power (W) 5 Resonant Frequency (Hz) 160 ± 20% Frequency Range (Hz) fo-12000 Sound Pressure Level (dB) 87±3 Magnet Size (mm) ø 32x18x6 ø 32x18x6   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)