6ft HIGH SPEED GOLD Series HDMI 1.4 Cable with Ethernet & 3D The HDMI Ethernet Channel - Delivers Ethernet data interconnectivity to compatible devices through the HDMI port so you don't need extra cables to get extended features. Audio Return Channel - Allows the HDMI connection between a television and A/V receiver to transmit audio two ways, both upstream and downstream. This eliminates the need for a separate audio cable and ensures you maintain the high digital audio quality of HDMI. 3D Support - Supports several different methods of rendering 3D images. 4K x 2K Support - Resolution on par with state-of-the-art Digital Cinema projectors used in the local multiplexes will be coming to your living rooms. 4K x 2K represents resolutions of 3840x2160 and 4096x2160. More Color Spaces Supported - Supports three more color space options, sYCC601 color, Adobe RGB Color and Adobe YCC601 color in addition to the X.V color support previously supported by Deep Color. Each of these promise to deliver a wider palette of colors to bring you more vibrant pictures.