The new AVProConnect AC-MX44-AUHD is spec’d as an 18Gbps 4K60 4:4:4 4×4 matrix switch that features Toslink audio output support up to Dolby 7.1, DTS and LPCM and on-board audio delay control, for lip-synching TV video. This switch claims to equalize and amplify the output to ensure the HDMI signal can be transmitted through long HDMI cables without loss of quality. Built-in 1080p to 4K and 4K to 1080p scaling on each output allows for EDID management. Other features are:

• HDMI 2.0(a/b)
• Full HDR support (HDR 10 and 12-Bit color)
• Dolby Vision, HDR10+ and HLG support
• HDCP 2.2 (and all earlier versions supported)
• IR, RS232 and LAN control options
• Digital Toslink out (7CH PCM, DD, DD+, DTS, DTS-MA)
• Balanced analog out (2CH PCM)
• Audio delay for digital and analog out
• Support for Crestron, C4, RTI, ELAN and more

Here are the detailed specs.