Speaker cable Product Description Conductor: TC (Tinned Copper) CCA Structure: 2x3x58/0.12mm, Spiral Insulation: Transparent PVC, purel color Nom Diam: One line is round, one line is square; 4.0x8.0mm Package: Coil 2)Application: All the cables are used for speaker ranges, home theater or audio system Used for connecting power amplifier and broadcasting systems, For transmitting the audio signals amplified by the amplifier