CablePhile 3 series speaker cable C3S-14C design for HIFI automobile audio system. It's composed of the 14AWG*2 Ultra Pure OFC conductor which is the7*59*0.08mm sized dual spiraling, dual stable insulation materials. It's totally good at physical structure and flexibility. The performance of C3S-14C is transparent with vivid, clean, high-frequency extension , and dynamic bass.