I have had great luck using crown amps for outdoor pa systems. They are not cheap, but well worth it. Same with JBL Pro speakers. I've been out for a year or two and don't know specific models to recommend, but you can't go wrong with either Crown or JBL. If you are going to be running off of generators I would highly recommend running a powere conditioner / ups to protect your equipment. I learned that the hard way with a nasty power spike.
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Posted via Mobile Device