About this item 4K HDMI Splitter: This 4 way HDMI splitter can duplicate/mirror one source screen to 4 HDMI display devices, allowing you to sync up to 4 monitors from a single source! The 1 in 4 out HDMI splitter is an efficient tool for managing multiple display synchronization. Unavailable Function: This HDMI to HDMI splitter cannot extend display across different screens on monitors; does not support connecting audio devices like speakers or soundbars; not compatible with ARC/eARC; does not support connecting multiple input signal devices as a switcher. Resolution: This splitter supports UHD 4K@30Hz, FHD 1080P, and 3D; for 1080P, use AWG26 HDMI 2.0 (19+1) cable, input/output length both 32.8 feet; for 4K, use HDMI 2.0 cable, input/output length 16 feet; supports 8/10/12bit deep color, DTS, DTS-HD, Dolby TrueHD, Dolby AC3, DSD, etc.; does not support 4K@60Hz. Compatibility: This powered HDMI splitter supports HDMI 1.4/HDCP 1.4 and lower versions; does not support HDMI 2.0/HDCP 2.2 o