Hello
I am 100% certain that ANY decent analog preamp will improve your system's sound quality, even an inexpensive passive one, because your CD player's volume control is digital, it throws bits (therefore resolution) away as you lower the volume.
I am 100% certain that ANY decent analog preamp will improve your system's sound quality, even an inexpensive passive one, because your CD player's volume control is digital, it throws bits (therefore resolution) away as you lower the volume.