QSC Understanding Sound Reinforcement: The Learner's Guide (DVD)
Some people are real naturals at sound reinforcement; they can walk into a live sound environment and figure everything out by trial and error. Then again, some people get paid millions of dollars every time they step up to the plate and strike out. Don't waste your hard-earned cash and precious time on classes that force you to work at somebody else's schedule, pick up QSC's Understanding Sound Reinforcement course and start mastering live sound right away!