audioquest 9 dbsHigh End Speaker Cable with 72V Dielectric Bias System Absolute transparency and total control of the signal AudioQuest Type 9 + DBS is a speaker cable designed for reference Hi Fi systems and high end setups where every detail counts. It uses Perfect Surface Copper+ (PSC+) conductors, featuring an extremely smooth surface that reduces grain distortion and enhances micro harmonic information. The solid core conductor construction eliminates the