Yes, each input and output has it’s own level control in the miniDSP software
There are also internally switchable gain for inputs and outputs via DIP switches, so can be matched to a wide variety of system gain structures.
“Music has always been a matter of energy to me, a question of fuel. Sentimental people call it inspiration, but what they really mean is fuel. I have always needed fuel. I am a serious consumer. On some nights I still believe that a car with the gas needle on empty can run about fifty more miles if you have the right music very loud on the radio”
Hunter S Thompson