What AWG is best for speakers?
For 6-ohm speakers 16AWG wire is recommended for runs up to 36 feet and 10 or 12AWG wire for runs up to 150 feet. If you are using 8-ohm speakers, 16 AWG wire is recommended for runs up to 48 feet and 10 or 12AWG wire for runs up to 200 feet.
Do you need special wire for speakers?
All that really matters for speaker wire is the wire gauge, which relates directly to the per-foot resistance of the cable. And resistance in the cable will reduce the power delivered from your amplifier to your speakers. Use the heaviest gauge (lower number) you can, and everything will work fine.
Can you use any wire for speakers?
To answer the question posed at the start of this article – yes, you can use a regular electric wire as a speaker cable, as long as it comes with two same-sized conductor wires.