The RCA 4-Way AV Switcher with S-Video lets you choose from four audio or video inputs at the touch of a button. Its intuitive interface allows for seamless switching without any disconnection or re-connection. This saves you time and makes the entire process easier. This RCA AV switcher does not need an external power supply. This is particularly helpful for those who use multiple gaming consoles and AV devices. In addition, this audio/video switcher supports S-video format so users can seamlessly port their computer screen output to a TV. The AV selector switch box integrates a standard 3.5mm headphone port on the front to which you can connect any regular pair of headphones or earbuds. This allows users to have a personal listening experience. The back panel of this RCA 4-Way AV Switcher with S-Video is neatly labeled so there is no confusion. Everyone can clearly see what goes where, which makes setup a breeze.