Use: Conference Microphone
Impedance: ≤2.2KΩ
Sensitivity: -58dB±3dB
Sensitivity reduction: -3dB at 1.5V
Work voltage: 4.5V
Frequency response: 100~16kHz
SNR(Signal to Noise Ratio): More than 65db
Plug diameter: 3.5mm
Cord length: About 1.4m
Microphone max arm: About 21cm
Base dimension: About 8 x 4.5 x 2cm