HDMI Matrix Switcher 4x4 4K with HDCP 2.2 - PureLink AV
Amazon.com: AVIshop 4x8 4x4 4KHDBaseT HDMI Matrix Switcher w/ 4 PoC HDBasT Receivers (CAT5e or CAT6). HDCP2.2 HDTV Routing Selector SPDIF Audio Control 4 Savant Home Automation with Bi-Directional IR (Matrix+4RX) :
HDMI 4X4 Matrix 4K SKU: ATDS110550 - American Teledata Store
Video Matrix Switcher - HDMI 2.0 | Black Box
Amazon.com: Tripp Lite 4x4 HDMI Over Cat5 / Cat6 Matrix Splitter Switch , Transmitter for Video and Audio, 1920x1200 1080p at 60Hz(B126-4X4) , Black : Electronics
Monoprice Blackbird 4K 4x4 HDMI Matrix, 18G, 4K@60, YCbCr 4:4:4, EDID, 4K to 1080p Downscaler, IR - Monoprice.com