HDMI to HDMI Coupler Extender Female Joiner Adapter Coupling Connector F/F [Pack of 10] Buy Now, Save More Buy More, Save Extreme HDMI Coupler for connecting the two male ends of two HDMI cables to make a longer cable. High quality HDMI to HDMI coupler provides the interface needed to connect two HDMI cables together, while still maintaining the highest level of signal quality. Advanced design and gold plated connectors. Specification: - Supports 3D Technology, 4K, Audio Return Channel, 1440p and 1080p FullHD Resolution - High-Speed 10.2 gbps / 340 MHz (Supports Increased Refresh Rates and 48-Bit Deep Color) - Constructed with durable, black PVC outer layer; shielding - Corrosion-resistant, gold-plated connectors for optimal signal transfer - Guaranteed 4K, 1440p, 1080p, 1080i, 720p, 480p, and 480i Resolutions - Supports Audio Return Channel - Supports Highest Refresh Rates Available - Supports Transfer Rates of Up to 340Mhz or 10.2gbps - Supports True HD Dolby 7.1 and DTS-HD Master Audio - Gold Plated Contacts - Coupler - HDCP Compliant - ROHS Compliant