Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      VD77128F-02 Product Number VD77128F-02 Description Enquiry Send Enquiry Specification Size (mm) 76.5x128 Rated Impedance (�[) 4�B8�B16(��15%) Rated Power (W) 10 Max Power (W) 20 Resonant Frequency (Hz) 140 �� 20% Frequency Range (Hz) fo-17000 Sound Pressure Level (dB) 88��3 Magnet Size (mm) ø 60x32x10 ø 45x22x8   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)