AudioQuest BlueBerry 4K-8K 18Gbps HDMI Cable combines superior materials and thoughtful design to deliver a compelling entertainment experience. Featuring Solid Long-Grain Copper conductors that have been direction-controlled for the most efficient dissipation of high-frequency noise, AudioQuest BlueBerry 18 is meticulously designed for enhanced sound quality and outstanding overall performance. Of course, AudioQuest’s BlueBerry 18Gbps HDMI cable is guaranteed to have the 18Gbps bandwidth required for compelling features like 8K/30 video, HDR (High Dynamic Range) imagery, and eARC (enhanced Audio Return Channel). Taking performance even further, in AudioQuest HDMI cables, the ARC-channel conductor pair is internally controlled for direction, running in the opposite direction from the four pairs that carry information to the TV, to ensure superior audio performance.