Model Number: SX-SP144E-HD4k2k-B Brand Name: Foxun Key Specifications/Special Features: Simultaneously displays an uItra Hi-Def source on up to four UItra HD displaysSupports resolutions up to UItra HD 4Kx2K(3840x2160@60Hz YUV 4:2:0 ) and 1080p Full HDSupports four kinds of EDID handling abilities: mixed EDID, copy EDID, default 1080p output, default 4Kx2K outputSupports 36bit deep colorSupports LPCM 7.1, Dolby TrueHD, Dolby digital plus, and DTS-HD master audioSupports HDMI input/output cable 10 to 15 meters at 1080p/8-bit resolutionHDCP compliantSupport 3DPackage contents1x HDMI splitter1x 5V/1A DC adapter
1x user manual

EDID introduction:

00: mixedEDID:alwaysfollowthelowestresolution ofthedisplaysconnectedto
the4outputs,inordertosupportalldisplaysshowthesource

11: Copy EDID: output 4 is a prior port
a. When output 4 is connected to the display, all other displays connected to the other 3 outputs will follow the resolution of output 4
b. When output 4 is disconnected, all other 3 displays will output 1080p

10: Default 1080p output: output a default 1080p source, in this case all outputs will display 1080p if they support resolution 1080p and above

01: Default 4Kx2K output: output a default 4Kx2K source, in this case all outputs will display 4Kx2K if they support resolution 4Kx2K and above