Even if you run actives there is strong possibility the speakers reft to right channels will not measure the same in the listening position. My interest is about the inherent noise of these devices mostly
A bit better maybe but not miles better as you guys say. Actives' amps are usually higher noise designs compared to the best amplification these days although ATC amps are among the best from what i gather.
The specs of your amp are quite good and there is also a direct input where you can use it as a power amp. If you can not hear any hiss with the volume maxed it is probably a good amp. Class d amps have their problems too so dont worry too much.