Anh, you have to move them away from the front wall and sit 8 feet or more away. I had them 12 feet apart and sat 14 feet away. I could "see" all the images on a large sound stage.

Someone will get audiophile-class speakers and amplification on the cheap!

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated