Jaeden, For wiring subwoofers, we recommend using wires of 12- to 16-gauge in size. There will be no audible difference between them - just less power loss with larger wire.

Do expensive audio cables make a difference?

So, Do Audio Cables Make a Difference? They certainly can, but its important to note that cables dont “improve” your sound. Their purpose is to translate sound from the source as transparently as possible.

Can I use a regular RCA cable for subwoofer?

you can use a standard RCA cable, but a subwoofer cable is suggested as it has more shield in it and provides more clarity and resolution. a subwoofer cable comes with a standard RCA connector but is thicker than the standard RCA cable.