4 port component video switch w ir learning
expand the component video and digital audio inputs of your tv setfeatures it supports component video and digital aduio or stereo audio ir learningremote controllerpush button selection user can also use the push button to select the signal source.high isolation in order to transmit the high quality component video we have special designed circuitry fro isolating the adjacent component video input so you will experience a good picture and audio entertainment experience.self-termination for those input ports not in-use we have a special design to allow those unused ports to self-terminated with a 75-ohm load . it is good for signal protection from outside interference .