HI GUYS, i am a bassist in our church and we are moving to a bigger place. so i decided to sell my bass amp and cabs. we are planning to plug all our instruments direct in to the PA. my question is... if i use a Direct Box for my bass... what will i need? a good quality PA speakers? or a Subwoofer? what's the difference? any suggestions????? THANKS GUYS!!!! GODBLESS!!!