A high quality mechanical 4x1 switcher for composite video and audio stereo signals. It is designed for applications requiring an unpowered desktop unit for routing video and audio stereo signals. The VS-41AV is extremely rugged and dependable. Its unpowered, passive design can be an advantage in applications where various regulatory compliances would otherwise be required. Typical applications:; Small editing systems; Security, CCTV, and home theater systems; Any applications where a passive hard-wired signal path is preferred.