About Kramer Electronics VS-421
The Kramer VS-421 is a high-performance switcher for composite video and unbalanced audio signals. It switches any one of four audio and video signals to a single audio and video output.
Kramer Electronics VS-421 Features
High Bandwidth - 330MHz (-3dB)
Switching - Vertical interval or immediate (selectable)
Control - Front panel or contact closure
Desktop Size - Compact size. Can be rack mounted in a 1U rack space with the optional RK-MEDN adapter