The PT-MA-HD44DA is a professional 4x4 HDMI 2.0 matrix switcher with an included audio matrix for switching 4 HDMI inputs to 4 HDMI outputs, designed for HDMI2.0 and HDCP2.3 compliant signals. The last two HDMI outputs feature a 4K to 1080p downscaling function. It also features 4 S/PDIF and 4 analog audio outputs for audio matrix functions. It features comprehensive EDID management and advanced HDCP handling to ensure maximum functionality with a wide range of video sources. It not only supports bi-directional IR and RS232 extensions but also has IR, RS232, and TCP/IP control options.