KZ-HD44ASW is an HDMI 4K seamless splicing matrix, the highest input and output resolution supports 4K @30HZ arbitrary scaler output. The input supports analog audio overlay, and the output supports audio separation. Using B/S architecture WEB GUI interaction interface, no need to install on PC. The software can control the device. Support to upgrade the device firmware through the GUI to provide convenience for maintenance and upgrade; the device should be controlled by the GUI and buttons. It also supports RS232 serial port /TCP/IP network command control and IR infrared remote control, 1U size and aluminium shell material design.