4 Port USB 3.0 Dual Monitor (DP+ HDMI ) KVM Switch 4K@60Hz With this 4 port USB 3.0 dual-monitor DisplayPort + HDMI KVM Switch (DisplayPort + HDMI), you can easily control 4 signal sources at the same time, share the same keyboard and mouse, and share 2 monitors.Note: Each input source device must be connected to two dual monitors. Product Features 4 computers share one set of keyboard, mouse, 2 monitors, and more USB 3.0 peripherals.This dual monitor DisplayPort HDMI KVM switch Supports maximum resolution up to 4K 60Hz YUV 4:4:4, HDCP 1.4, HDR 2.2; Dual monitors output support up to 4K@60Hz for extended, mirrored or spliced display（Depends on your computer's graphics card.）;Compatible with Windows 11/10/7/2000/XP/Vista, Linux, UNIX, Ubuntu, Fedora, and other systems;2 Switching modes: Button switch and wired remote.The ports that need to plug in HDMI/DisplayPort/USB cables are all hidden behind the KVM, so the desktop doesn't get cluttered;No complicated installation is required, and non-professionals can easily operate it. Independent Audio Microphone output. Installation steps: 1. Insert the DC/5V adapter into the KVM ; 2. Plug the DP/HDMI cable into the KVM and monitor;(Output) 3. Plug the DP/HDMI cable and USB cable into the KVM and your computer/laptop (DP/HDMI cables are not included)(Input) DP IN1 + HDMI IN1 + USB IN1=PC1 DP IN2 +HDMI IN2 + USB IN2=PC2 DP IN3 + HDMI IN3 + USB IN3=PC3 DP IN4+ HDMI IN4+ USB IN4=PC4 4. Insert the mouse and keyboard into the KVM switch 5. If needed, you can connect a microphone and audio port Note： 1. Most of the reasons why only one video output works is because of an incorrect connection. Please make sure each computer has 2 HDMI cables connected to the KVM. 2. If the KVM switch does not work, you can turn off the switch on the panel and turn it on again after 2-3 seconds, and it will return to normal. 3. Before purchasing this DP/HDMI dual monitor KVM switch, please make sure that connecting your computer directly to the monitor can work normally,Otherwise, the KVM will not be available. 4. Note: DP/HDMI cables are not included USB 3.0 Dual Monitor KVM Support 4K@60HZ Supports high resolution up to 3840*2160@60Hz and downwards.Note: Only when both your computer Graphics card and monitor support 4K@60Hz you can get the 4K@60Hz effect, so if you want the maximum resolution you have to check your devices first. 4 PCS Share 3 USB 3.0 Devices This KVM switch 2 monitors 4 computers with 3 USB 3.0 Ports for keyboard, mouse, printers, USB headsets, or webcams. Supports Separate Audio and Microphone Output This 2 monitor 4 computer kvm comes with a 3.5mm Audio Jack port with a DAC chip inside, which can be inserted into a 3-segment 3.5mm earpiece device, and a 3.5mm microphone interface, which can be inserted into a 3-segment microphone. Dual Monitor KVM Support 2 Switching Modes Quickly switch between the 2 computers with just one click of the switch button on the panel or use the wired remote controller (included in the package).Please note: This dual monitor KVM switch DisplayPort HDMI does not support hotkey switching.