1. 144Hz KVM Switch Dual Monitor HDMI: 2 PCs in, 2 monitors output. With 3.5mm audio & microphone output, digital display, 5.1 channel digital fiber optical audio output, 7.1 surround sound audio output via HDMI, 1 USB 3.0 Hub port, and cables. (Tips: If you want to use dual monitor, that computer/laptop should with 2 video outputs. If one of your devices only with 1 video output, that only 1 monitor has a display. )
2. 8K KVM Dual Monitor: This KVM switch supports emulation EDID(defaults turn on, you can turn it off if needed). Support HDMI 2.1, HDCP.