1.black and red speaker cable 2.4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ... PVC (Red of Black). This type of cable is applicable to acoustic equipment.specification:Item NO. ... cable, flat,white,black,grey,or any color100m/roll or 305m/roll100m/plastic spool or 305m/plastic spoolRed/black speaker cable ... , 4, 6, 8, 10, 12, 14, 16, 18, 20, ...