mi-a277-passive-microphone-3-4m-range-3-5mm-jack-pin-hole-design
mi-a277-passive-microphone-3-4m-range-3-5mm-jack-pin-hole-design

MI-A277 Passive Microphone - 3~4M Range 3.5mm Jack Pin-Hole Design

In stock
SKU
cctv:mia277

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Passive Microphone (No Power required) • 3.5mm Jack • Pin-hole Design • Range: 3~4 meters • High Fidelity

SPECIFICATIONS

Mic quantity single mi head
Frequency response 20 Hz ~ and 20KHZ
Sensitivity 40db
Signal-to-noise ratio 75 db
Directivity Omni-direction
Output impedance 600 ohm non equilibrium
Output signal amplitude 2.5 Vpp / – 25 db
Bearable sound pressure 120 db SPL (1 KHZ, THD 1%)
AGC automatic gain circuit, the lightning protection, power reversal of polarity protection
Current 20 Ma
Pickup range 10 ~ 100sq m
Connect method 3.5mm jack connected to IP passive camera directly.