Audio Solutions AS-HDM-2019 Flat HDMI Cable (19 Feet) Each of our high-speed HDMI cables are performance tested up to 340 MHz to support 3D and 4K x 2K resolutions. Audio Solutions HDMI cables will deliver a lifetime of continuous, brilliant 1080p and 3D with deep color resolutions. Three layers of shielding prevent electromagnetic interference to maximize noise isolation. Not only are these 24K gold plated connectors good looking, they are corrosion resistant and provide maximum signal transfer over the life of your system. This Series of HDMI cables utilizes Silver Plated Solid Copper Signal Conductors for excellent performance. The incorporated Audio Return Channel provides the ability to send multi-channel audio from the display to the surround processor (dependent on the equipment being ARC enabled), reducing cable clutter.