KenL
Tour Rookie
And, for me at least, does spin more with driver.Titleist flipped the balls a few years back
ProV1 is the softer, lower spinner
ProV1x is the firmer, higher spinner.
Although, in reality there isn't a vast amount of difference in performance...but the X is definitely firmer.
I much prefer the pro v1 and AVX over the pro v1X.