1x4 HDMI splitter, which takes one HDMI input and splits it into four identical outputs. This allows the same video and audio signal to be displayed on up to four screens simultaneously. It supports UHD 4Kx2K 3D and is compliant with HDCP (High Bandwidth Digital Content Protection). It is commonly used in home theaters, corporate settings, educational settings, and commercial settings to display the same content on multiple screens. Some models also include features like EDID emulation and audio extraction.