Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      G-4215BOX Product Number G-4215BOX Description Enquiry Send Enquiry Specification Input Normal (W) 1.5 Input Max (W) 2.0 IMP (Ω) 4 Fo (Hz) 900 SPL (dB) 91 Frequency Range (Fo~Hz) Fo-20k MGNT Size (mm) ø8x3 Diaphragm Paper   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)