2x2 HDMI Video Wall Controller with 4K x 2K HD Display

Product description: Do you need help using the 180-degree rotation feature on this product? If so, simply press ATTR++/ATTR to display "MIRROR" and then press VAL++/VAL- to adjust the screen.

If you are experiencing no sound, please ensure that your input and output device is set to 1080P resolution. Similarly, if the remote control is not working, check that the input and output device's resolution is also set to 1080P.

If you are having trouble with the 1x3 portrait mode, try adjusting the resolution of the input and output devices to 1080P. Additionally, please note that if you plan to use this product for gaming, the 2x2 mode is recommended for optimal performance.

For those experiencing issues with no image appearing on the TV, be sure to check the monitor port and use the HDMI to HDMI CABLE 19-1 to connect to the TV.

This product, brought to you by NIERBO, is committed to providing customers with high-quality products and strict quality control.

Unique features of this product include the ability to rotate the screen 180°, easy installation and operation, the creation of large 2x2 video walls, and support for 4K@60Hz input and 1080P output.

There is also independent audio settings, with an individual audio port to connect speakers. It is important to use high-quality HDMI cables for optimal performance. Feel free to contact us through Amazon if you encounter any issues.

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