This 3.5mm Jack plug CCTV microphone pre-amp is suitable for indoor/outdoor all weather waterproof for connection to IP cameras with 3.5mm Jack audio input.
For connection to IP camera with 3.5mm Jack plug audio input.
Built in pre-amp with 50cm audio/power connecting cable. Microphone is less than 1cm Diameter and 6cm in length. The module is enclosed with resin inside silicon shrink sleeve and does not reduce microphone sensitivity. The microphone, pre-amp circuit and cable is waterproofed and can be mounted outdoors without any worry of it getting wet or damaged. Guaranteed to outlast any other CCTV microphone that has no type of protection. Withstanding all types of weather lasting years operating continuously without interruption.
Microphone is completely sealed and terminates to 2 connectors - 2.1mm 6-12v inline DC socket and 3.5mm Jack plug for connecting audio output straight to IP camera / DVR / monitor and PC Line input.
Designed to be added to existing camera CCTV system or built into existing system or housing. It can be simply cable tied to camera bracket / cable or cable tacked to wall / surface
Specification
| item | CCTV Microphone |
| Special Features | Waterproof / Weatherproof, One-way Audio |
| Audio transmission distance | 300 metre cable length maximum |
| Frequency response | 20Hz ~ 20kHz |
| SNR | 50dB (40 dB sound source 1 meter) 30dB (10 meters 40 dB sources) 1KHz at 1 Pa |
| Listening area | 150-375 square feet / 14-35 square metres |
| Sensitivity | -45dB |
| Dynamic Range | 80dB (1KHz at Max dB SPL) |
| Maximum sound pressure | 120dB SPL (1KHz, THD 1%) |
| Output impedance | 600 ohms non-equilibrium |
| Output signal amplitude | 2.5Vpp/-25db |
| Supply voltage | 6V-15V DC (recommended to use 12V) |
| Supply current | 10 mA |
| Operating temperature | -15ºC - 50ºC |
| Dimensions | Length-6cm Diameter-1cm |
| Weight | 1.2oz / 40g |
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