In-Line CCTV Microphone, Electret Capsule, High Gain, RCA Audio and 2.1mm Connector

This is a small high-gain microphone module for CCTV. It has a built-in amplifier for more sensitive pick-up, a standard RCA audio output and takes 12V DC power through a 2.1mm DC jack.

Connect the RCA output to the audio input on a DVR or NVR that has one. Power it from the same 12V supply used for your cameras. It is small, so it can sit in a junction box, a camera housing or a cabinet, indoors or somewhere sheltered outside.

Choose it for a camera position where you want to hear as well as see, such as a front door or a counter. Keep it away from strong airflow and vibration for a cleaner recording.