You will need a P A amp with at least 6 input channels

peavey or laney

3 for mics
2 for guitars

and a spare for another for some reason i cant tink of



then there are leads, forget the jack types

how many Mic stands

then there are mics

and decent speakers, maybe stands

extension cable and a baton for a few power lines from the plug in the wall thats miles away.

The w-dale looks too limited for your requirements.

rent