Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      FP400W-12 Product Number FP400W-12 Description Enquiry Send Enquiry Specification Size (mm) 105x105 Rated Impedance (Ω) 4、8、16(±15%) Rated Power (W) 20 Max Power (W) 30 Resonant Frequency (Hz) 65 ± 20% Frequency Range (Hz) fo-10000 Sound Pressure Level (dB) 87±3 Magnet Size (mm) ø 80x40x15   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)