Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      G-031G Product Number G-031G Description Enquiry Send Enquiry Specification Dimensions( Dia (mm) ) 31 Input Normal (W) 2 Input Max (W) 3 IMP (Ω) 8 Fo (Hz) 300 SPL (dB) 88 Frequency Range (Fo~Hz) Fo-20k MGNT Size (mm) ø12.5x2.5 Diaphragm Paper   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)