Integrated Microphone Moving-coil neodymium iron shed magnetic horn Outside diameter :28mm Frequency response :150HZ~ 4.5khz Rated input power :30mW maximum endurance power :50mW Directivity: Single pointing Size: Ф 6 * 2.7 mm Frequency range :50HZ~ 3.0khz Sensitivity: -44±3dB Impedance: 2.2K Working voltage :3.0V Current: uA100 ~ 400 uA Voltage withstand range :1.0~10.0V
