Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      DV-115 Product Number DV-115 Description 15" Woofer; 15" Horn; Enquiry Send Enquiry Specification Tweeter Three Piezo Tweeter Max Power (W) 450 SPL (dB) 104 Frequency response (Hz) 20~20K   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)