I ran the Mola's for a better part of 6mo without any sort of power conditioning. Never had any issues with Bass during that time. After putting them on the Torus RM20, Bass and its sound in general improved across the board to my ears. I have the Pass going straight into the wall at the moment.
One thing I can say is that there is a pretty stark difference in sound between the Mola's compared to the Pass XA30.5. I would feel pretty confident saying that even being blind folded I could pick out the difference between them 5/5 times. Which one is more real to the original recording would be hard to say without being present during the recording itself. Which sound I am preferring more as I compare the two units is a tough call. Each has its plus and minuses.
I am selling the Mola's but my reasons for that decision are more to do with just wanting to try something new than anything else.