the reason i'm asking is there is something weird i have experienced about the bass. Please bear with with me if this is something i don't know...

My room size is 12x14 and speaker is 2 ft from back wall and 2 ft from side wall. I sit 9 ft way from speaker. My room has bass trap (all 4 corners).
THe soundstage is great, but the bass is not loud enough even though it's tight. When i stand up and move close to either side wall , the bass is stronger (like i can feel bass is coming from the subwoofer).
Then, I move the speakers very close to the wall, but it's still the same at my listening position. Therefore, i don't know if this is normal or not.
Thank you for reading this. And i hope someone can give me suggestions or opions on this.