The stalwart design of PX-3000 appears subtle yet has dynamic power for ideal sonic performance. The 12AWG(3.73mm2) conductor is 6N Ohno Continuing Casting (OCC) Copper, with PE insulation, Cotton yarn filler absorbs vibration, aluminum and tight Oxygen Free Copper braiding reject exterior EMI and RFI, Blue and white Rhombus cable mesh has a stylish Classical appearance.