The VNET+4PS, USB KVM Switch with Audio easily shares a VGA Monitor, Stereo Audio and any USB Keyboard and Mouse seamlessly between 4 CPUs. Our USB KVM Switch has been developed with many applications in mind, from industrial workstations to digital signage monitoring. It gives a provision of flexibility to the system architects and administrators and power of cross-platform computer integration in a shared environment. In the medical or industrial field, where it may not be practical (or safe) to have one or more CPUs in the general vicinity, USB KVM Switch Series is the perfect solution, used for either PC or Mac signals to be extended from computer to monitor. The other practical use for USB KVM Switch is that it can be used for media recording studios, where soundproofing and space issues come into play. Using USB VGA switch eliminates the inherent hum of a powered CPU and gives you the freedom of using your keyboard, mouse and monitor without having to find room for the computer itself in same workspace. This USB KVM is best and an ideal one for use in Home Theater Integration, Digital Signage Deployment, Industrial Environments, Information Kiosks/Displays, Theme Park/Resort Design, Medical Equipment and Film/Recording Studios applications .