Doubling your amplifiers power (for ex. going from 100 watt to 200 watts) will only give you an additional 3dB of acoustic power.

dB Change Power change
+3 x 2
+6 x 4
+10 x 10
+20 x 100
+40 x 10,000

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85