&lt;p&gt;HEAVY DUTY DOUBLE INSULATED 100V LINE SPEAKER CABLE&lt;br /&gt;Heavy duty 2 core speaker cable suitable for 100V line PA speaker installations. Stranded conductors with red and black inner insulation and overall black PVC sheath. Red and black conductors.&lt;br /&gt;&lt;br /&gt;Conductor Copper/Copper Clad Aluminium &lt;br /&gt;Length 100m &lt;br /&gt;&lt;/p&gt;