Yes of course as said before if it’s on a 20 amp breaker, it’s the same gauge as what’s in your wall. And sound quality has absolutely nothing to do with that at this point !!
12 AWG Mains Power Cable From Wall To Power Conditioner Sufficient?
Is a 12 AWG mains power cable adequate for use between the wall outlet and power conditioner? Low-powered components such as streamer and DAC as well as a subwoofer will be connected to the power conditioner. The integrated amp will go directly to another wall outlet.