Applies to: RLC-423; RLC-423S; RLC-423WS
There is no built-in mic for RLC-423 series cameras so if you'd like to get audio, you need to connect an external mic to the "Audio-in" port of RLC-423 series cameras. Here are some suggestions for choosing the microphone for the RLC-423 series cameras.
RLC-423 series cameras cannot supply power to the microphone. so you need to choose a microphone with a power supply. The "Audio-in" port of RLC-423 series cameras is an RCA Female port, so you need to choose a microphone with an RCA male port.
If you want to know more about how to install the microphone for RLC-423 Series Cameras, Pleaser refer to: How to Install the Microphone for RLC-423 Series Cameras.