PTC 50ft 24AWG Premium GOLD Series CL2 rated High Speed HDMI with Ethernet - Supports 3D, 4K video, Audio Return Channel, Ethernet over HDMI 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. Lifetime Warranty