this might be a stupid question but here goes-if i add more speakers to an amp will it be louder?.
It would be best to get better speakers compared to adding more.

Because, you can have 4 speakers and still break every window in your venue.

I recommend Cellestion.
ESP LTD Viper-50
Dean AK48
Marshall MG-15
Peavey Sheffield 4x12
Peavey Transtube Supreme Head
Zoom 505 II