Please, please, please move your speakers away from the wall
https://www.youtube.com/watch?v=9UA-VctzuFo
I'd also recommend The British Audiophile's take on speaker placement and distancing: https://www.youtube.com/watch?v=VHOYXjVJKKY
https://www.youtube.com/watch?v=AfMg5P0_vJk
Listen to him wax sarcastically about blind tests. Does he not get it? Or does he make his living from not getting it?