The,7ms is more of a mid range driver than a full range ….? I have ordered a pair of the 7hd’s but am still open to more suggestions …..
A7ms is a bit more polarizing. It goes as low as most of the MA 4”, monoSuspension brings a bit greater DDR, bit i have found, bith it and the larger A11ms, some ringing in the top that is not as inconsequential as the some of the others. I am working on a tweak that mostly seems to cure the issue.
Listening to the first treated set of A11ms, they are better than stock i believe. i am doing some A7ms next.
For the use you propose you should find almost any of the 4” pleasing. Any issues with these drivers is not in the midrange.
dave