Use this wall plate from OSD Audio with your in-wall HDMI cable runs. It lets you send high-quality HDMI signals to one device such as a flat-panel HDTV or a projector. This wall plate includes one female HDMI terminal.
This Dual Port HDMI wall plate lets you send high-quality HDMI signals to two devices such as a flat-panel HDTV and a projector. Easy to install, it also includes two female HDMI terminals.