AudioQuest Type 4 SST Hyperlitz uses two solid 20 awg (0.52 sq.mm) and two 17 awg (1.02 sq mm) LGC conductors. A rebuilt pair of this popular Hyperlitz cable. They have been built so you can drive your speakers from a pair of mono blocs or Run Speaker A and B outputs to run the tweeters and woofers independently and cleanly.