The 4-Port PS/2 Audio KVM Switch lets you control multimedia PCs with just one keyboard, monitor, mouse, microphone, and a set of speakers. The KVM switch not only allows you to share your monitor, keyboard and mouse but you can also share microphone and speakers. With just a simple press of a button, this KVM switch eliminates the hassle of cable swapping and switching between 4 PCs. With its Auto-Scan and Hot-Key operating features, the TK-408K is the perfect choice for managing 4 PCs. Separate KVM cables are included.