Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      CW-400-12 Product Number CW-400-12 Description 2" Dual Voice Coil; 40oz Magnet; Enquiry Send Enquiry Specification Max Power (W) 500 Frequency response (Hz) 30~1500   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)