The 2-Port RCV switcher audio & video selector box has two RCA input ports and one RCA output port. User-friendly Composite AV Switch: Hassle-free installation, and easy to use. Just need to connect 2 audio and video devices (such as Xbox, and DVD) to the Input connectors on the 2 to 1 RCA audio switcher while your TV to the Output connector on the 2 way RCA video switcher.