Speaker specifications:
Drive Style: Dynamic (Moving-coiled)
Outer Diameter: 27mm
Frequency Response: 300HZ – 3.0KHZ
Sensitivity: 108 +/-3dB (at 1 KHz 1mw)
Impedance: 150 +/-20%
Rated Input Power: 30mW
Power Handling Peak: 50mW
Microphone specifications:
Directivity: Cardioid (Uni-Directional)
Size: 6.0* 2.7mm
Frequency Range : 50HZ ~ 3.5kHZ
Sensitivity: -46 +/-3dB (0dB=1V/Pa, 1 KHz)
Impedance: 2.2k ohm
Voltage: 3.0 V
Electric Current: 100uA~400uA
Maximum Voltage: 1.0~10.0V
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