The 4x1V is a high-performance switcher for composite video signals. It switches any one of four signals to a single output. - High Bandwidth - 400MHz (-3dB). - Video on RCA Connectors. - Mechanical (Passive) Switching - No power required. - Compact Kramer TOOLSâ„¢ - 3 units can be rack mounted side-by-side in a 1U rack space with the optional RK-3T rack adapter. Applications: - Presentation and display systems. - CCTV and home theater applications. - Rental and staging applications. - Also compatible with SDI and any other high frequency signals.