CablePhile 8 series speaker cable C8S-13 design for Hi-Fi automobile audio system, It's composed of the 0.3325mm2*16（+ (0.3325mm2*8，- 0.3325mm2*8) ultra pure rect-an-gular OFC  conductor which is four sets of double stranded spiral winding . It's totally good at stable structure and flexibility. The entire sound presentation has a grand soundstage width, excellent linearity, and a very good sense of resolution and ambience.