basically just what the topic says. its a 200 watt amp to a 200 watt sub. im using 8 guage to power the wire in case i upgrade later, but was wondering what to use from the amp to the sub. thanks guys

14 or 12 guage would prob be enough, but going larger will never hurt either if you don't mind spending a couple more bucks. I generally use 12 guage speaker wire on most installs...I use 10 guage for my 15, but i'm pushing close to 2000 watts to it, so i need that

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I use 8 awg to my 2 12's (3000watts RMS) 12 awg will be fine..

Better safe than sorry, the price difference between 12 ga and 8 ga is only a matter of cents, might as well get some good OFC wire and let 'er rip....I have 8 ga going to every one of my speakers....just gives me a warm fuzzy to know they have a good signal hitting them.

That's overkill, even if you're name is Alma Gates or John Henry
Its not just cost, thicker wire is also harder to run. Justa thought

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Its not that hard to run.. 8 awg is still dinky wire now if it was 0 awg then I could see, but not 8. Anyway for that low wattage of a system 14 awg is just fine.