Lindy 300m Cat.5e VGA & Audio Extender Description Very easy to install - simply connect the cables Maximum resolution supported: 1920x1200@60Hz or 1600x1200@60Hz The receiver delivers a MONO Audio signal (Stereo left and right channels are combined by the transmitter unit) Gain and Peak regulation dimmers on the receiver unit to improve quality over longer distances https://www.lindy-international.com/300m-Cat-6-VGA-Audio-Extender.htm? websale8=ld0101.ld021102&pi=32540&ci=20