This is a high performance HDMI switch with three inputs and one output. It supports HDCP repeater functions and fast switching between any of the HDMI input ports. The system supports all 3D TV formats in addition to all HDTV formats up to 4K. Furthermore; the remote control gives you complete control over the selection of sources and makes the device incredibly easy to use. Features: Compliant with HDMI; CTS 1.4a; and DVI 1.0 standards Supports 3D and 4K video resolutions with up to 16bits/channel Deep Color Supports the 7.1channel Dolby TrueHD and DTSHD Master Audio Low power consumption; does not require an external power supply HDMI ; the HDMI Logo; and HighDefinition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. Dolby and the doubleD symbol are registered trademarks of Dolby Laboratories. Dolby TrueHD is a trademark of Dolby Laboratories. DTS ; the Symbol; and DTS + the Symbol together are registered trademarks; and DTS Master Audio is a trademark of DTS; Inc.