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. |
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