This 4-port HDMI splitter with built-in scaler connects an HDMI video source to four HDMI displays, with support for UHD 4K resolutions, HDR (High Dynamic Range), and 7.1 channel audio. This 4-way HDMI splitter supports up to 4K 60Hz resolution, at 4:4:4 chroma subsampling. The built-in scaler enables the concurrent output of 2 resolutions, ideal for environments where there is a variety of displays, monitors, and projectors. This 4K HDMI Splitter features HDMI, 3.5mm, and Optical audio outputs, enabling connections to a variety of speakers and/or amplifiers. Simultaneous audio output is supported across all the audio ports. This HDMI splitter supports active HDMI cables and HDMI extenders (sold separately), facilitating installations at a distance from the displays (e.g., within a remote AV component cabinet). The metal enclosure and 8kV air and 4kV contact Electro-static Discharge (ESD) protection is suitable for installation in a variety of environments.