Matrix Switch 16 x 16 Analog Audio Router with Butt MSC-XA1616L
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