Add an In-wall HDMI® Connection Port, for Neat, Professional Quality Video Installations.. The HDMIPLATE professional-grade Single Outlet Female HDMI® Wall Plate offers an in-wall HDMI digital video receptacle that provides easy connections between a High Speed HDMI video output or Standard HDMI video output, and HDMI-equipped projectors, remote displays, or home theaters. The 19-pin HDMI wall plate eliminates cable clutter, providing you with a professional look and is backed by StarTech.com''s Lifetime Warranty.