Sony SB-HD21 HDMI 2 Way Selector (Discontinued by Manufacturer) HDMI version 1.3a compatible for advanced features that many newer HDMI devices can support like deeper color (up to 36 bit) and x.v. Color Slim design allows you to install the unit is a small space, such as inside an A/V stand High-grade design gives the selector the capability to process a large amount of HDMI data signals accurately Built-in shield structure eliminates outside interference for stable signal transmission AC power adapter included