1)Conductor:BC TC CCA 2)Insulation:color PE or PVC 3)high quality and competitive price. 4)we have do this for about 10 years High-performance speaker Cable with RoSH certification 1. Conductor: Copper, CCA, TC... 2. Structure of conductor: Spiral, weave or tape 3. Jacket: PVC, flexible PVC, soft PVC, transparent PVC, LSOH... 4. Gauge:8AWG, 10AWG, 12AWG, 14AWG, 16AWG, 18AWG, 20AWG.24AWG5. Package ...