If you find they sound harsh and edgy play them for a few days and then you won't think they sound harsh and edgy any more. It works even if you aren't home when they are playing.

But it's not break-in.

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8