Clean up the wiring on your distributed audio system with this easy-to-use Distributed Audio Structured Wiring Hub. It supports up to eight rooms of clean, distributed audio. Removable plug-in terminal block connectors allow easy troubleshooting. The hub also features four cable punch-outs for easy connection from four directions. Once connected, simply install the labeled cover for protection. Once you try this hub, you'll want to use one in every job. Dimensions: 4" x 4" x 2" (about the same size as a standard 'duplex' electrical box). Maximum wire gauge is 12.