Recent content by Tobes

I am also trying to add http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1 to a HikVision DS-2CD2132F or DS-2DE4582A, both had microphone input, output and ground terminals. There is no Mic - to twist with the ground cable and I am just getting a lot of noise as if it has a poor ground...