Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      VP501W-03 Product Number VP501W-03 Description Enquiry Send Enquiry Specification Size (mm) 135x135 Rated Impedance (Ω) 4、8、16(±15%) Rated Power (W) 30 Max Power (W) 50 Resonant Frequency (Hz) 70 ± 20% Frequency Range (Hz) fo-8000 Sound Pressure Level (dB) 87±3 Magnet Size (mm) ø 70x32x15 ø 50x24x6   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)