I am currently using HOME DEPOT cables. The minimum is to try them out. Just pick out the cables an twist them together about 2 twists per inch and then sit down and demo them. You can break them in by using them in a electrical curcuit first if you prefer, for instance using them with a lightbulb or some sort of resistor. I have used the #6, #10 and #16 gauge depending on run length and multiple twists. For instance on the #16 I used 4 wires braided much like a hair braid. It was fun but also inexpensive to try, and it worked for me. I only have 20 watts a channel though.