Dahua AUDIO MICROPHONE MODULE/HAP120 DAHUA

Use high sensitivity, all directional microphone head and omnidirectional microphone, clear and natural sound;
Lightning protection, power polarity transposition protection and electrostatic protection.

Scope 10~70 m2
Sensitivity -34±3dB
Frequency response 80Hz～16kHz
Omni-directional
Dynamic range 74dB
Max. sustainable sound pressure 110dBSPL (1KHz, THD 1%)
Output impedance 600Ω (non-equilibrium)
Output signal amplitude 2.5Vpp/88dBSPL
Plated film capacitor microphone head
Working voltage DC 12V
Working current 40mA
Working temperature -30ºC~+70ºC
Material Aluminum
Dimension Φ40mm×20mm / 48g