Holiday Shipping Details & Extended Holiday Returns 
- 4K 2X2 Video Wall Controller, supports 1-way HDMI or DVI input and 4 HDMI outputs.
- The main function is to divide a complete HDMI, DVI HD image signal into 4 blocks and assign them to 4 video display units (such as rear projection unit, LCD TV, etc.). Equipped with 4 HDMI high-definition video display units to form a large dynamic image screen.
- Supports one DVI input or HDMI input;
- Input supports HDMI1.4 and HDCP1.4;
- Input format: RGB/YUV24bit;
- Output format: RGB 4:4:4 24bit;
- Support 2x2 stitching, easy operation, plug and play;
- Input supports 1920x1080P 25/30/50/60Hz and 3840x2160P 24/30Hz;
- Supports four HDMI outputs and one 3.5mm stereo output;
- Supports 5.1CH audio output over optical fibers;
- Output supports 1920x1080P 60Hz;
- Supports RS232;
- Supports remote control;
- DC5V / 2A power supply;
Our video processor can output from 4 channels, support multiple modes display 2x2, 1x2, 1x3, 1x4, 2x1, 3x1, 4x1. It has strong compatibility and supports most brand products on the market. Suitable for LCD TV, projector, DLP, plasma display, etc. Let us enjoy movie-level picture quality at home at any time.
Our splicing controller supports HDMI/ DVI/ RS232 and other signal input. It support video pause, fast forward, loop playback, program list and other functions, and support the playback of rolling subtitles. Computers, laptops, set-top boxes, DVD players, PS3/4 can all be perfect sources.
You can flip the image of HDMI output 1 and output 2 to 180°, so that you can adjust the screen to the thinnest edge direction and reduce the thicker central border. This is easily adjustable by pressing the "OUT1 and OUT2" button on the remote control.
Note: 180° rotation only works in 2x2 mode.
Supports fiber SPDIF audio output and 3.5mm stereo output, and supports fiber 5.1CH audio output.
You can choose your preferred way to adjust the mode, remotely or manually switch.
- Allow multiple inputs, including computers, laptops, set-top boxes, etc.
- Allow multiple outputs, including televisions, projectors, monitors, etc.
Q: How to use 180 degree rotation function?
A:180°rotation can work for all the display modes, and the output resolutions NOT more than 1080P@60Hz. So please adjust the HDMI outputs' resolution to 1080P.
Q: The screens show no "signal", what should we do?
A: Please set the input source and the output displays to the same resolution 1080P have a try.
Q: What are the specifications of this HDMI DVI wall controller?
A: This 4K HDMI LED video wall controller is compliant with HDCP 1.4 and HDMI 1.4. Input format: RGB/YUV 24bit; Output format: RGB4:4:4 24bit.
Support HDMI/DVI input resolution: 3840x2160P@24/30Hz, 1920x1080P@25/30/50/60Hz; Output resolution: 1920x1080P@60Hz.
Support audio format: PCM 2.0, Dobly digital and DTS.