Build Your Own Custom Connector Panel Using Off-The-Shelf Components! Middle Atlantic Products UCP Series modular custom panel system assembles quickly and easily using either a 2 or 4 space frame kit and your selections from an extensive collection of prepunched modules. Modules accept popular connectors such as XLR, Neutrik, Elco, Canare and more. UCP modular assemblies simply bolt together using supplied hardware. When completed, all hardware is flush to create a professional appearance. Visible parts have a black brushed and anodized finish. Blank and vented panels are also available to fill unused spots. All modules are constructed of aluminum.