The DS-2FP2020 is a Hi-Fi Microphone from HikVision. That is capable of transmitting audio at over 3000m distance. This microphone can be powered by 12VDC and uses 3 wires connection mode. Additionally built-in lightning protection, reverse polarity protection and electrostatic protection features.

Hikvision Hi-Fi Microphone for CCTV [DS-2FP2020]
Price includes taxes