Amazon.com: 12 GA gauge 500' Black Audiopipe Car Audio Home Primary REMOTE Wire : Electronics
PROAUDIO18W LINKEDPRO BY EPCOM Professional Grade Audio Cable Gauge 18 2 Wires Type CCA Color White Perfect for Speakers Reel 152 m (500 ft) PRO-AUDIO-18W
Amazon.com: Cable THHW-LS, 8 AWG, black, coil 500 m : Tools & Home Improvement