Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      G-4646 Product Number G-4646 Description Enquiry Send Enquiry Specification Dimensions( Dia (mm) ) 46x46 Input Normal (W) 4.0 Input Max (W) 5.0 IMP (Ω) 4 Fo (Hz) 150 SPL (dB) 87 Frequency Range (Fo~Hz) Fo-20k MGNT Size (mm) ø29x4 Diaphragm Sponge   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)