B/W 702 s3

Thank you all for your great comments and advice.  Let me tinker with placement.  They are toed in a bit.  Clearly my room is not ideal.   Very open and the entire right side is glass windows.  Tried to load a picture and can't get it to post.  The 702 s3's are ported downward and not out the back, I am not sure that is an issue. I am not sure the Rotel gear is all that great, I am kind of deep into the Rotel gear and would hate to move on at this point.  

As for adding a sub or two, would you recommend mono or stereo subs.  I do have a mono sub jack on the Rotel RC 1590 MII

Again, thank you all-great stuff!

I  do not think a sub will be an improvement unless you want next level dominating bass.

You can post to any free image posting site such as https://postimages.org/ - grab the url and then add it here or embed it here:

Sometimes a better amp is the solution, but also look at your room. If it's pretty reflective some damping will reduce the mid/treble and let the bass bloom. 

As for adding a sub or two, would you recommend mono or stereo subs.  I do have a mono sub jack on the Rotel RC 1590 MII

Definitely two subs you can run off the pre outs on your 1590, and disregard those who say subs are just about more bass because they’ve no clue what they’re talking about.  Good subs implemented properly not only extend bass but also produce better/more solid imaging and an expanded 3D soundstage and can be transformative.  If you otherwise like what you’re hearing from bass on up then adding subs could make a lot of sense.  You could do something like a pair of SVS subs that include a helpful app for integration and offer a 45-day risk free trial period including shipping both ways, and a pair of SB1000 Pros is only $1140 and will get you down to an honest 20Hz despite being only 13” square.  Free to try and may tell you all you need to know.  

https://www.svsound.com/products/sb-1000-pro-subwoofer