The EH Series Connectors by Switchcraft is a complete line of Audio, Video and Data Connectors built into standard panel mount XLR housings. * Custom Combinations can be loaded into any Switchcraft Q-G Panel or any panel or plate punched for standard XLR"s * Once mounted, connecting equipment to the back of the EH Series is fast and easy. * Most EH Series are feedthru * Proudly Made in the USA with a Lifetime Warranty.