HDMI audio video wall plate supports pass-thru for High Speed HDMI features such as HDMI Audio Return Channel (ARC), HDMI Ethernet Channel (HEC), 48 bit color depth, 32 channel audio, Dolby True HD 7.1 audio and bandwidth up to 18 Gbps; Standard sized 4.5 x 2.7 inch wall plates can be mounted with a single-gang low voltage bracket | HDMI coupler insert with a female port on the wall plate front and an HDMI pigtail cable on the back easily connects to an HDMI cable run in the wall; Mount near your AV receiver or home theater system with an existing low voltage wall plate location or new HDMI outlet wall plate location; A 4-inch HDMI pigtail cable on the rear of the insert helps connect the HDMI cable | HDMI video resolution support with pass-thru for common video resolutions up to 4Kx2K (UHD) including 3840x2160, 2560x1600, 2560x1440, 1920x1200, and 1080p; Audio pass-thru support for DTS-HD Master Audio and Dolby TrueHD and more; 25 feet is the recommended maximum length of HDMI cables for 4K HDR | Two-piece 4K HDMI wall outlet with included faceplate and HDMI insert makes connecting the cables easier; Simple installation of HDMI wall plate 1 port insert with the included mounting screws | Cost-effective 2-pack HDMI plate provides two HDMI home theater wall plates to connect HDMI cables behind the wall instead of running them across the floor; Install close to your monitor or projector for a professional-looking installation in the home office, conference room or classroom