HC-811S

Polar pattem: Omnidirectional
Mic diameter: Φ4.0*1.5mm
Sensitivity:-43db±2db
Frequency Range: 20-20KHZ
Output Impedance: ≤2.2KΩ
Standard  Operation Voltage: 2.0V-10V.DC
SNR: ≥58dB
Wire: 1.2m