This is part of Sescom's series of new economical AB-Switches that are designed to last! The SES-XLR-AB-FS allows convenient foot-switching of two XLR inputs to a single common output. Excellent for use in Studios for PA or talkback switching and as it features hands-free switching. In addition, the unit features a disconnect toggle to keep unwanted audio from entering the live signal path, while maintaining a ground bus connection and only disconnecting the signal.These helpful AB switches can also function as input and output expansions for any of your equipment.Designed to save you time and protect your expensive equipment from the wear and tear of plugging and unplugging connectors. Perfect for your home theater, studio or anywhere you would normally have to plug and unplug devices.