Description: The Kramer VS-401xlm is a high performance vertical interval switchers for composite video and audio stereo signals. It routes 4 sources to one output. However, the output has a DA function whereby it divides into three parallel video and audio outputs to simultaneously feed the same signal to three VCRs, monitors, etc. Since switching is performed during the vertical interval, transitions are glitch-free when sources share a common reference sync.
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