Kramer VS-6E III Matrix, 4x4 matrixswitch for composite-video with stereo-audio (256 MHz), high-performance matrix switcher for composite video and unbalanced stereo audio signals. The unit can switch any or all of the four inputs to any or all of the four outputs simultaneously, control with 4 rotary knobs, desktopsize, optional rackadapter - RK-10 or RK-1,
