By placing your speakers near room boundaries (the ceiling and front wall) and objects you've boosted the lower frequencies and introduced early reflections that confuse things. You also have them above furniture and people that will limit the sound bouncing off the back wall.
Using speaker stands a good distance (a couple feet will help but more is better) from anything does wonders for speakers designed for placement in free space. Frequency response is more uniform, the early reflections will be delayed and reduced in level, the ratio of direct to reverberant sound will increase...
I use short Sound Anchors center channel stand about 3' off the screen wall when running a center and have the mains about 4' out from the front wall and 2.5' from the side walls.
Using speaker stands a good distance (a couple feet will help but more is better) from anything does wonders for speakers designed for placement in free space. Frequency response is more uniform, the early reflections will be delayed and reduced in level, the ratio of direct to reverberant sound will increase...
I use short Sound Anchors center channel stand about 3' off the screen wall when running a center and have the mains about 4' out from the front wall and 2.5' from the side walls.