Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      M30H4A8DJ12 Product Number M30H4A8DJ12 Description Enquiry Send Enquiry Specification Rated Impedance (Ω±15%) 8 Rated Power (W) 0.25 Max Power (W) 0.3 Resonant Frequency (Hz±20%) 700 Frequency Range Fo (Hz) 6000 Sound Pressure Level (±3dB) 88 Operating Temperature (℃) -20 ~ +55 Magnet Size (mm) 9.5x1.5 Size (mm) Dia 30 Size (mm) Height 4.0   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)