I see you have something under your speakers but look at investing in some sorbothane padding they can eat up the vibrations going into the floor and into your neighbor’s apt. Maybe considering pulling the speakers forward away from the walls. Put some measure of absorbtion treatment behind the speakers. And if nothing works, then consider adding a pair of small bookshelfs for evening listening.
I see you have something under your speakers but look at investing in some sorbothane padding they can eat up the vibrations going into the floor and into your neighbor’s apt. Maybe considering pulling the speakers forward away from the walls. Put some measure of absorbtion treatment behind the speakers. And if nothing works, then consider adding a pair of small bookshelfs for evening listening.