OverviewThe Composite Video/Stereo Hi-Fi Audio Balun(MB-CVHFB) that allowsone Composite video ,one Stereo Hi-Fi Audio to be transmitted Via Cat5e/6 Cable ,up to 1000ft(305m) in a point-to-point connection .it is built in surge to protect Video and Audio equipment against damaging voltage spikes .its integrated ground loop isolation prevents annoying "hum-bars" common noise with long distance installations .The product is designed for classroom video distribution ,commercial and home audio/video systems ,hospital video training, video conferencing, and video kiosks Boardroom systems and so on .Used in pairs ,Working With MB-CA1000,the Composite/Audio can be transmitted up to 3250ft(1000m).the Video/Audio Balun eliminates costly and bulky coaxial cable ,allowing Video/audio equipment to be connected or moved within a structured cabling environment.