I changed the A and B pads nearly immediately for the Dekoni Elite pads on my DT 1990 Pro. I wanted the highs to calm down a little over the analytical pads and have a little more controlled mid-bass, which the Elite Hybrid pads did well. I have since switch to the Elite Fenestrated pads as I wanted to have a little more open sounding headphone. So for me, pad rolling helped the headphone quite a bit.