AC-MX-44HDBT 18GBPS True 4K60 4:4:4 4x4 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, Digital and Balanced
Crestron HD-MD4X1-4KZ-E 4x1 4K60 4:4:4 HDR AV Switcher HD-MD4X1-4KZ-E | Projector People