If the pipeline is working correctly, and if my db math is correct, here are some power figures for the M33, assuming 0db on the unit is max power:
0db = 200W
-3db = 100W
-6db = 50W
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-19db = 1.6W
-22db = 0.8W
-25db = 0.4W
In my apartment, with the speakers 3m away (~9ft), with 90db...