SNDIA HDMI Extender Female To Female Coupler Adapter (Black) -3 Pack The female to female HDMI coupler extends the distance of your existing HDMI cable. Fully compliant with the latest HDMI standard, this HDMI cable coupler is capable of carrying the increased bandwidth of HDMI 2.0 at 18 Gbps. Supports Audio Return Channel (ARC), HDMI Ethernet Channel (HEC), 48 Bit Deep Color, 32 channel audio, HDCP, Dolby True HD 7.1 audio, and 3D video. Supports resolutions up to 4Kx2K (UHD) including 4096x2160, 3840x2160, 2560x1600, 2560x1440, 1920x1200, and 1080p. Gold plated connectors resist corrosion and provide rigidity. Grip treads help easy plugging and unplugging.