Twisted Pair Matrix Switchers The Extron Twisted Pair matrix switchers work in conjunction with Extron twisted pair transmitters and receivers to provide simplified routing and control of signals ranging from RGBHV to composite video or S-video and stereo audio using twisted pair cable. On this page: MTPX Plus Series Matrix Switchers MTPX Plus Series Matrix Switchers MTPX Plus 128 12x8 MTP Twisted Pair Matrix Switcher for RGBHV, Video, Audio, and RS-232