Speaker specifications:
Drive Style: Dynamic (Moving-Coiled)
Outer Diameter: 27mm
Frequency response: 150HZ-6.8KHZ
Sensitivity: 102 +/-3dB (at 1 KHz 1mw)
Impedance: 150 ohms +/-20%
Rated Input Power: 30mW
Power Handling Peak: 50mW
Microphone specifications:
Directivity: Cardioids (Uni-Directional) or Bi-directional
Size: 6.0* 2.7mm
Frequency Range : 50HZ to 10kHZ
Sensitivity: -42 +/-3dB (0dB=1V/Pa, 1 KHz)
Impedance: 2.2k ohm
Voltage: 3.0 V
Electric Current: 150uA~450uA
Withstand Voltage: 1.1~10.0V
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