4x4 HDMI Matrix Video Switch with Audio and RS232 4K HDCP TESmart
Comprehensive Pro AV/IT 4K 4x4 HDMI Matrix Switcher CSW-HD44014K
Ultra HD 2x2 HDMI Matrix Switch 4K with Audio Extractor (UHDS-202) | OREI
HDMI Matrix Switchers | Extron
Amazon.com: FERRISA 4x2 HDMI Matrix Switch,4 in 2 Out Matrix HDMI Video Switcher Splitter +Optical & L/R Audio Output,Support Ultra HD 4K,3D 1080P,Audio EDID Extractor with IR Remote Control : Electronics
Ultra HD 4x4 HDMI Matrix Switch 4K @60Hz with IR Remote (UHD-404) | OREI
Amazon.com: MT-VIKI 4K HDMI Matrix Switch 8x8, 4K@30Hz Rack Mount Switcher & Splitter with Backlit RS232 LAN Port and EDID, Built-in US ADI Chip (8 in 8 Out) : Electronics