Conference Microphone, Smart Speaker 3‑wire System for Banks Schools, Public Security Organs

Description

Feature:1. Wide application ranges. Suitable for banks, schools, public security organs (5 ‑ 100㎡ adjustable).2. High sensitivity, low noise, very low power consumption, power supply polarity protection circuit3. Signal transmission distance is approx. 1000m/1093.6yd. Frequency response is 20Hz ‑ 20kHz.4. The connection method is 3‑wire system. Red is power positive pole, black is public GND, white is positive pole.5. An electro‑acoustic instrument that amplifies sound by receiving sound vibrations.Specification:Item Type: CCTV MicrophoneMaterial: Aluminium alloyPlace of Use and Area: For banks, schools, public security organs (5 - 100㎡ adjustable)Signal Transmission Distance: Approx. 1000m/1093.6ydFrequency Response: 20Hz - 20KHzDirectional Property: OmnidirectionalConnection Mode: 3 Wire system (Red is connected to power positive pole, black is connected to public GND, white is connected to positive pole)Transmission Cable: RVVP3 x 1.5mm²Power Supply Voltage: DC 9 - 15V Package List:1 x CCTV Microphone1 x English Manual