SoundBox Connected 14 Gauge 500&rsquo; Speaker Wire 14 Ga Clear Home/Car 500 Ft. Speaker Cable Spool SoundBox Connected Series 14 Gauge Speaker Cable Extreme Heat Tested- 500 Ft. Spool Grade A- Copper/CCA Speaker Cable Use: Home or Car Double Conductor Easy Wire Identification- 1 Side Brown- Positive (+)/ 1 Side Silver- Negative (-)