Amazon.com: 4-Way Stereo L / R Sound Channel Bi-Directional Audio Switcher, 1 in 4 Out or 4 in 1 Out, L/R Sound Channel Audio Switch Splitter RCA Stereo Switch Selector for DVD
Avmatrix VS0601 Mini 6 Channel Switcher SDI/HDMI Multi-format Video with T-Bar Live Streaming Video Switcher for DSLR Camera - AliExpress