Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      A57H7A8DPJ16 Product Number A57H7A8DPJ16 Description Enquiry Send Enquiry Specification Rated Impedance (Ω±15%) 8 Rated Power (W) 0.25 Max Power (W) 1 Resonant Frequency (Hz±20%) 600 Frequency Range Fo (Hz) 4000 Sound Pressure Level (±3dB) 92 Operating Temperature (℃) -20 ~ +55 Magnet Size (mm) 12.5x1.5 Size (mm) Dia 57 Size (mm) Height 7.0   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)