Technical Parameters:
Sensitivity: 52dB
Impedance: 2.2 KΩ-30%
Flat rate: 20 ~ 16.000HZ
Operating voltage: 10V (TVU)
Reference operating voltage: 4.5V
Current consumption: 0.5mA (max)
Sensitivity attenuation: ≤-3dB at 2-1.5v

Packing: 10Pcs