Opinions and recommendations on active loudspeakers

@inna Because those would be the amps that best matches the speakers capabilities and maximize their potential,  chosen by the designer of the speaker themselves. ATC makes their own amps.

Cost and effort saving solution for pro applications.

@inna Not. At. All. The first concern, by far, is sound quality. One's job depends on it. But pros are generally a no-nonsense bunch with better things to concern themselves with than pointless tweaks. Active monitors are a very well proven concept, and they generally DO offer substantially more real value for the money invested. So from that perspective, one might think that they're "cost and effort saving," but the proof is in the studio, even studios where cost is a very secondary concern. Active monitors are VERY widely accepted by professionals for the quality of their sound, regardless of cost.

@lp2cd 

I disagree about the psi audio. I have heard them and they sounded very harsh.Perhaps its the flat response that is to blame i dont know. They dont have an even sound vertically either. 

With the exception of a very few, most active speakers are < $20K. Need more detail about the size of the listening space, type of music and how loud. Putting an ATC SCM 150ASL in a small room is pointless no matter what anyone says.