Pictured above is a 4-Input/1 Output HDMI Switcher. If you have an HDTV that only has one HDMI connection, you will need an HDMI Switcher in order to connect multiple components with HDMI outputs to your HDTV. Source components that have HDMI outputs include: Upscaling DVD Players, Blu-ray Disc and HD-DVD Players, HD Cable Boxes, and HD-Satellite Boxes. In addition, newer game systems may also have HDMI outputs that can connect to an HDTV.
Setting up an HDMI Swithcer is fairly straightforward: Just plug the HDMI output connection from your source component to one of the input jacks on the switcher, and then plug the Switcher's HDMI output to the HDMI input on an HDTV.
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HDMI Switcher in Photo: XtremeHD HDMI Switcher by XtremeMAC