KRAMER 8x8 VS-848 Video/Balanced Audio Matrix Switcher AS-IS

Kramer VP-66ETH A/V Matrix Switcher 6x6 RGBHV/ Balanced Audio Matrix Switcher

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

Comprehensive Video Group CVG-808XL 8-Channel A/V Matrix Switcher | Powers On

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Kramer VS-5x5 Video Audio Matrix Switcher

Kramer VS-62H 6x2 Ultra HD 4K HDMI Video Matrix Switcher