Working at a high end stereo shop for a couple of years you pretty much learn early on that just about any wire that’s metal content is high quality is going to sound good.
The problem is making sure that the manufacturer that your cable is from is actually using good material. This product was kind of a shot in the dark but it looks to be as good as anything you’d find from the guys at the Big Box stores, although much less fancy covering and ends.
It included everything I needed to install a single 10" Pioneer in my wifes Mazda 2.