VLYNX Premium 12 Gauge 200 Feet True 12AWG Vlynx Speaker Cable Wire. High Quality, Flexible, 12AWG-200' Speaker Cable Spool [Positive (+) is marked with a line] True 12AWG Rated (American Wire Gauge) - 2 Conductor. Made of Aluminum coated with copper. 200 Feet of 12 Gauge on a Spool IDEAL FOR FOR AUDIO INSTALLATIONS: Home, Business, Marine and Auto DOUBLE CONDUCTOR COPPER/CCA CABLE ( +'ve is marked with a line, -'ve is unmarked) Connects audio speakers to your A/V receiver to amplifier.