AVPro Edge AC-MX-88 18Gbps 4K 8x8 Matrix with Digital Audio/Balanced Audio Out | eBay
AC-MX-88HDBT 18Gbps True 4K60 4:4:4 8x8 Matrix w/ Digital Audio & Balanced Audio Out, Built in 4K Up/Down Scalers, and On Board Audio Delay Control. Cascade, up and down scalers built in,