Product Construction Conductor: Bare copper/Tinned copper /Copper clad aluminum Standard Insulation: PVC/ clear Sheath: PVC/Clear/LSOH/LSHF Features Multi-stranded/Flexible OFC, Copper, Tinned-copper wire conductor Reliable Connection High Quality New material of PVC Insulated CE, RoHS SGS,ISO9001 Standard Full 100M Rated Voltage: 300/300V Keep working under 70°C for long period operation Applications The speaker cables are used for speaker ranges, home theater or audio system ,Used for connecting power amplifier and broadcasting systems, For transmitting the audio signals