C&E 3-Gang 7.1 Surround Sound Distribution Wall Plate with HDMI connector Includes 3-gang white plate with 7-pair binding posts and HDMI port. Allocates 7 pair of the binding posts with 3 pair for the left side, 3 pair for the right side, and 1 pair for the center. Installs in a NEMA 3-gang box. Comes with all necessary screws.