Black Box HDMI to Video Signal Scaler and AVSC-HDMI-VIDEO B&H
Black Box AEMEX-HDMI-R2 Audio Embedder/De-Embedder
Amazon.com: Tabletop Multimedia Connectivity Box with 4 AC Power+2 HDMI+2 RJ45+1 USB3.0 Port +1 USB-C +2 Audio with 5.58ft Power Cord for Conference Room(Black) : Electronics