The KanexPro SW - HDMX44DS is an outstanding HDMI 2.0 compliant 4 - input and 4 - output matrix switcher. It allows you to connect and operate a mix of 4K and 1080p displays simultaneously. The built - in 4K to 1080p down - scaler automatically adjusts the 4K HDMI video signal to 1080p, ensuring compatibility and a great picture on all connected screens. It supports high - end resolutions up to 4K@60Hz 4:4:4, HDR10, and Dolby Vision, even including 1080p 3D. This switcher is fully compliant with HDMI V2.0 and HDCP 2.2. It has smart EDID management and can be controlled via front - panel buttons, IR remote, or RS232 commands. Backed by a 3 - year parts and labor warranty, it's a reliable choice for your AV setup.

Using the KanexPro SW - HDMX44DS is easy. First, connect your 4K or 1080p devices to the 4 HDMI input ports. Then, connect your displays to the 4 HDMI output ports. You can control the switcher in three ways: use the front - panel buttons on the device, the IR remote that comes with it, or send RS232 commands if you're using a more advanced setup. When using 4K sources with 1080p displays, the switcher will automatically down - scale the video for a good picture. For best results, keep the device in a well - ventilated area as the working temperature range is - 5 to 55 degrees C. Avoid exposing it to extreme humidity as the humidity range is 0 to 90%RH. Store it in a place with a temperature between - 25 to 70 degrees C. Clean the device regularly with a soft, dry cloth. If you have any issues, you're covered by a 3 - year parts and labor warranty, so feel free to contact the support team.