We're looking for the least costly way to amplify our Preacher's voice during his sermon. Our "church" is a small converted barn, and there is usually a small number of folks in attendance. We have virtually no budget, so the cost will be covered by contributions. It doesn't need to be high-tech or anything like that. I have seen some small units that sit right on a shelf of the podium, and wattage output does not need to be much. Any suggestions? Thanks. pbb