Cardas Audio HDMI 3D High Speed, High Performance Cable 1.50 Meter (4.92 feet) Available in 1.0 meter, 1.5m, 2.0m, 2.5m, 3.0m, 5.0m, 7.0m, and 10.0 meters. The HDMI High Speed/HEC provides Ethernet connectivity between components and adds and Audio Return Channel to enable upstream audio connections. Key performance advantage of Cardas HDMI, you can use it in lengths longer than 50 feet with zero signal degradation. When choosing an HDMI cable, pick one that keeps up with the most current standards for Blu-ray and other technology. Cardas does! Select a Cardas HDMI cable, it is meticulously designed and engineered, using the best materials and techniques available for increasing the performance of your AV gear.