AudioQuest Sub-A - Subwoofer cable - 24 AWG - RCA (M) - RCA (M) - 19.7 ft - shielded - black / Audioquest

You want an affordable subwoofer cable with superior signal transmission and a smooth, clear sound. That cable is the SubA, and it's made by AudioQuest. AudioQuest has dedicated 20 years to producing the highest caliber audio and video cables, and all of their hard work has elevated their cables to the component level. And as a component, these cables will drastically improve the video quality of every other video component in your home-theater quiver. Really.