This is a mini square microphone. The listening range is 5m²-100m². Adopt hi-fi and low-noise processing chip. It can suppress ambient noise effectively by multiple frequency-selective. Pure tone. New type sensitivity adjustable microphone. Ideal choice for assorting with TV monitoring and security system. It can also realize AV synchronization when works with camera.
It has many advantages: low noise, high fidelity, wide working voltage, low power consumption, long distance transmission, etc. It is suitable for the use in bank, prison, examination room, shop, factory or other monitoring places.