AV thing you need
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All–in–One Presentation System with 6x2 4K60 4:2:0 HDMI/HDBaseT...
The VS−62DT is...
6x2 4K HDMI Matrix Switcher - VS-62H
VS−62H is a high−quality, 6x2 matrix switcher for...
4x4 4K60 4:2:0 HDMI Matrix Switcher with Audio Embedding/De–Embedding - VS44UHDA
VS−44UHDA is a high−quality...
4x4 to 32x32 Modular 4K60 4:2:0 Multi–Format Managed Digital Matrix Switcher - VS-3232DN-EM/STANDALONE
VS−3232DN−EM...
8–Input Presentation Matrix Switcher/Scaler with Seamless Video Cuts and 4K30 Output Support - VP778
VP−778...
6x2 PoE Audio Matrix DSP with HDMI Switcher, AEC & HDBaseT - DSP-62-UC
DSP−62−UC...
6x2 PoE Audio Matrix with DSP and AEC - DSP-62-AEC
DSP−62−AEC is a member...
20-Port Audio Matrix with DSP, AEC and Interchangeable Inputs & Outputs - AFM-20DSP-AEC
AFM−20DSP−AEC,...