1.black and red speaker cable 2.4, 6, 8, 10, 12, 14, 16, ... . The outer side is the transparent protective cover of PVC (Red of Black). This type of cable is applicable to acoustic ... .202,4,6,8 cores telephone cable, flat,white,black,grey,or any color100m/roll or 305m/roll100m/plastic spool or ...