Micronic GB1 Golf ball style audio pickup CCTV Microphone (please note it is larger than actual golf ball and more comparable to tennis ball size)
The GB1 CCTV microphone is DIY installation and requires 12v DC power supply and audio output cable for connection to your camera, DVR or audio equipment.
Choose your required cable length and optional power supply from the CABLE LENGTH drop down menu above.
Inside microphone case (twist off cover) is 3 screw terminals ( 12v, GND, AOUT) for connecting power supply and audio cable (refer to pictures). Cable supplied with microphone is all in one power/audio with no outside connectors or adapters required. It is easier to install and connect to 3 screw terminals inside housing making it neat and tidy.
The microphone case can be wall or ceiling mounted using 2 screws (not included). It also has adjustable audio output to produce perfect volume for your circumstance.
- Built-in Imported chips, high sensitivity, clear voice.
- Integrated amplifier connects directly to active speaker, DVR, recorder, IP camera.
- Electronic noise dynamic closed loop suppression circuit eliminates all electronic noise, hiss and buzzing noise.
- Dolby noise reduction technology eliminate echo and distortion.
- Super sensitive microphone pick up speech 10-30 metres.
- Built in audio amplifier Automatic Gain Control (AGC) circuit.
Specification
| Product Name | Micronic CCTV Microphone |
| Model | GB1 CCTV |
| Monitoring range | 10-30㎡ (adjustable) |
| Working voltage | DC 6v-14v (12v is standard) |
| Supply current | 20mA |
| Transmission distance | up to 300 metres audio cable |
| Sensitivity | -35db |
| Signal Noise Ratio | 70db |
| Frequency response | 20hz to 20KHz |
| Directivity | Omni directional |
| Output signal amplitude | 2.5 Vpp /- 25 db |
| Maximum sound pressure | 120db SPL (1 KHz, THD 1%) |
