Well, I disagree with the above posts all of which think a sub is the answer.
First, if you are happy with the sound, A sub is going to add a lot of low frequency noise which you may, or may not enjoy.
I find sub is not a worthwhile addition, due to modern Rock recordings.
I had a small used sub I bought from a local dealer to use with my small speakers, and discovered while it was wonderful with chamber music, and small Jazz groups, when it was left at the same level, it was way to much with any modern Rock music, which has a LOT of bass.
So between turning it on, off, up down, i finally just got tired of it.
Now i use some bigger speakers again. which are not noted for a lot of bass,(Magnepan 3.6) but what they have is all i want!
So here is a dissenting opinion about a sub.
If you find one used, and try it then do not like it, at least you would not lose a lot of money over it.
First, if you are happy with the sound, A sub is going to add a lot of low frequency noise which you may, or may not enjoy.
I find sub is not a worthwhile addition, due to modern Rock recordings.
I had a small used sub I bought from a local dealer to use with my small speakers, and discovered while it was wonderful with chamber music, and small Jazz groups, when it was left at the same level, it was way to much with any modern Rock music, which has a LOT of bass.
So between turning it on, off, up down, i finally just got tired of it.
Now i use some bigger speakers again. which are not noted for a lot of bass,(Magnepan 3.6) but what they have is all i want!
So here is a dissenting opinion about a sub.
If you find one used, and try it then do not like it, at least you would not lose a lot of money over it.