AUDIOQUEST Carbon Digital Coax CableAUDIOQUEST Carbon digit coax cable. 5% silver 21 AWG. Solid conductors. Hard cell foam dielectric. Carbon based multi layer noise dissipation. Jacket black dark grey braid. AudioQuest Digital Coax cables are designed to minimize distortion across an extremely wide bandwidth. For many applications, the speed of digital communication is important. Most visibly, speed is about transferring large files as quickly as possible, or carrying enough data for