Sierra Video Systems 16 by 1 Video+Stereo Audio Switcher 803036

Ocean Matrix OMX-9051 8x1 Video/Audio-Stereo Switcher

Ocean Matrix - PSW-24 - Passive 24 x 1 - Audio Video Router Switcher

Extron System 5 IP Multi-Format Switcher – 5 Input AV Control – Used, Rack Ears

Ocean Matrix OMX-PSW12 12x1 Video & Stereo Audio Passive Switcher - Untested

Extron SW4 VGA/Ars Series VGA and Stereo Audio Switcher

Extron MLS 406 6-Input MediaLink Switcher W/ Stereo Audio Amplifier & Powercord