Directivity: Heart (single pointing)
Output impedance: ZOUT,f=1KHz, maximum 680Ω
Frequency range: 20Hz-20KHz
Sensitivity: f=1KHz.S.P.L=1Pa.0db=1V/Pa, minimum value -44db, central value -42db, maximum value -40db
Current consumption: Vcc=1.5v,RL=680Ω, minimum 150uA, maximum 500uA
Operating voltage: 1.5V-10V
SNR: S/N.f=1KHz,S.P.L=1Pa, minimum value 58db
Power supply mode: USB power supply (5VDC)
Output interface: USB interface
Line length: 1.5m standard (other sizes need to be customized)
Tube material: zinc alloy
Sampling rate: 48KHZ/16bit