Does You Subwoofer Settings ??

I don't unless I set the gain or crossover frequency too high.  It's tempting to turn those settings up to add bass to the music. It makes some songs sound better. 

"Do most find that subwoofer settings are not perfect for every song you play ??"

Yes it will always be recording dependent.  Nothing is mixed the same.  If you have a high enough resolving system you will even find this from track to track on the same album.  It's frustrating.

The boom coms from over pressurizing the room with bass when it gets trapped and has nowhere to go.  Most people will say, and I agree, that two subs are much better than one because it will lessen room node/modes.

There will be many people typing that you need a dozen subs, you need room correction, you need to replace all your lamp shades with ones made from Panda etc.  Your best bet is to employ two subs and get them away from the corners so they don't couple up.  Good luck!

Thank You ... I had duals with smaller amp and when I went to larger amp decided to go largest SVS and most part happy because larger sub sounds more natural in bass sound than my small duals ever did.. 

But I know tinnitus effects some of what I experience at times but wanted to see if others do feel the same about their subwoofer and what they hear from them.

The most common reason for the symptoms you have described is a narrow room mode that only certain songs excite. You can have up to 20 dB or more in one very narrow band. EQ is usually the best way to solve this particular issue. This implies measurements though, but the problem should just be glaringly obvious once you measure.

Sometimes there is a related issue, where 1-2 peaks cause the listeners to set the overall subwoofer level too low. Once you clip the peaks you can then raise the subwoofer to taste.

Of course, bass traps and subwoofer placement also are useful but if the problem is as described, an EQ in just the sub can be magic.

This starts with finding the best sub locations in your room for optimal bass, which you can do using the crawl method.

https://www.audioholics.com/home-theater-connection/crawling-for-bass-subwoofer-placement

Then after that dial the sub’s settings in properly.

https://lifehacker.com/how-to-properly-set-your-subwoofers-volume-without-sh-1506136549

Doing these things, if you haven’t already done both properly, should get you better results.  And I agree that you should add a second sub when possible because it makes a big difference, again assuming you have them properly set up.  Best of luck.