This 4K HDMI LED video wall controller 2x2 is compliant with HDCP 1.4 and HDMI 1.4, the HDMI & DVI input and the HDMI output can support resolution can up to 1920x1080P@60Hz, output resolution also support other resolution scuh as 1080P/1080/720P/576P/576/480P;

Input support HDMI & DVI support devices such as computer, TV box, game device, tablet, DVD or other HDMI&DVI devices

Output support TVS, Monitor, Splicing screen, Billboard or other HDMI displays

Support audio format: stereo, with 3.5mm stereo audio port can connect to the external speaker, amplifier, sound bar etc. if your output display has invoice, you will get the invoice directly from the output screens, if connect the output display ausio, the voice will come with intput Simultaneous

[Video Wall Controller 2X2 ) RIJER 2X2 video wall controller, make a HDMI or DVI to 4 LCD TV or other display devices such as projectors, DLP, plasma and other display unit and shows a Large Screen, allows you to Enjoy high definition visuals.

• (Connection) This HDMI video wall Output Support RGB 4:4:4, Both the HDMI input and output support up to 1920*1080P@60Hz display, With an individual 3.5mm audio output, if your xbox or firestive resolution more than 3840x2160/30HZ, it may can't be read, if you want4K resolution, please choose this B07MNPHJMK or BOB2493V6P

• [Support 10 Modes Display) RIJER 2x2 HDMI video wall support 4TVS or less TVS mode such as 2x2, 1x1, 1x2, 1x3, 1x4, 4X1, 3x1, 2x1, When portrait mode 1x2 1x3 1x4 (select computer host as input, and rotate the original input from the desktop to 90 degree, this device itselft not support 90 degree rotation)lf you want the 90 rotation one check this asin BOB55XKY8K

• (180 degree Rotation& Edge masking)

Support each screen 180 degree Rotation, when 2x2 mode, Invert the up TVS and use the rotation function which can adjust the screens in an orientation with the thinnest edges, reduce the thick middle border.Edge masking reduce the gap bettew each screen.