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
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Mamba Audio MATRIX Router - 32x32 Analog Patch Panel with Digital App control | eBay
Matrix Switch MSC-XA1616L Stereo Analog Audio Router With Button Panel | Full Compass Systems
Mamba Audio MATRIX Router - 16x16 Analog Audio Switcher Patch Bay with Digital App control | Reverb
4K HDMI Matrix Switcher 4-4
Audio Routing Basics - Groovesetter
MX-0816NAD/R | 8x16 Component Audio/Video Matrix Router, Analog and Digital Inputs and Outputs | AVocation Systems | AV-iQ
Audio Matrix Switch (8x8 Balanced XLR) with remote control
Matrix Switch 32x32 Analog Audio Router MSC-AA3232 B&H Photo
4x4 Composite Video w/ Stereo Audio Matrix Routing Switcher (BNC) w/ 4-Zone Volume Control, IR & RS-232 | ShinybowUSA