Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      M40H7.58DRJ18 Product Number M40H7.58DRJ18 Description Enquiry Send Enquiry Specification Rated Impedance (Ω±15%) 8 Rated Power (W) 0.25 Max Power (W) 0.5 Resonant Frequency (Hz±20%) 800 Frequency Range Fo (Hz) 5000 Sound Pressure Level (±3dB) 86 Operating Temperature (℃) -20 ~ +55 Magnet Size (mm) 17.5x3 Size (mm) Dia 40 Size (mm) Height 7.5   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)