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SPECIFICATIONS -38dB(0dB=1V/Pa) No. Item Standard 1 Sensitivity -38dB±2dB (0dB=1V/Pa) 2 Output Impedance 2.2KΩ 3 Directivity Omnidirectional 4 FrequencyRange 20-16,000Hz 5 Operation Voltage DC 1.0V-10V 6 Standard Power Supply DC3.0V 7 Min Operation Voltage 1.0V 8 Current Consumption ≤0.5mA 9 Signal to Noise Ratio ≥58dB 10 Sound Pressure Level 110dB