Quote Originally Posted by Jonas_h View Post
With 3db amp. headroom, 105db (continous) and 4m from the speakers. Without any room gain included in the calculation: 637w required (if I remember correctly that sensitivity of M2 is 92db).

Source: http://www.crownaudio.com/elect-pwr-req.htm

I think the DCi 4|600N would work fine for normal situations.
Yes, I understand the link you provided, but, don't understand about "normal situation". It dosen't take into account for the room acoustics.

You can always turn the knobs down to your desired sound level, it has nothing to do with how much power you put into the loudspeakers. Proper gain structure is also important.

For my 4429 and the setting I have in my Crown DCi LevelMax Limiters is like this...

RMS Threshold (V rms) at 35.0 Volt

Thermal Voltage at 49.0 Volt

According to my specs of 4429, 200Watts RMS

https://www.google.se/url?sa=t&rct=j...85076809,d.d24