I got this amp for practice and recording at home. The RB-110 is ideally suited for such use.
It is lightweight for its size, is very solid, and is absolute beautiful.
The SGT switch adds good character, without any harshness.
I have not yet tried the DI, but no matter -- this is an amp that simply makes you want to play.
An excellent little amp!
NB: I am a guitarist, not a bassist. In that regard I have no real comparisons in terms of bass amps. But, I do know sound and feel. This amp has plenty of both.