Try some room treatments for the bass issue. Your room will dictate which sytle, size and quantity you need.
One easy and quick way to adjust the bass from any speaker is to pull them further away from the walls. It may not require much movement at all to get it where you want it, so try small adjustments. On the other hand, you might just want to spend a bit more time with the "new" sound, before making any changes. Having a bit more time to acclimate to what sounds like a signficant change is never a bad idea. The new tonal balance may end up being "better" than what you had before, but since it's also different, it could take some getting used to. Glad to hear you got such a great improvement!