There are lots of high-quality, powered speakers available in today's market. Barbetta, Mackie, JBL, lots of them, and they're all in the same, general, price range. Each has it's own features, and because this is a very subjective issue, it's difficult to recommend one over the other.
Much of your decission will depend upon the physical characteristics of the venues where you wish to perform. The position and height of the stage, how and where the audience is seated, room accustics, and ceiling height will all have bearings on speaker size, speaker placement, wattage, and EQ settings. All of this primarily applies to conventional sound systems. It does not have much of a bearing on the Bose PAS, which uses unconventional technology to equally distribute sounds throughout the venue.
As for the price range, a pair of
Barbetta Sona 32-Cs will run about $1,200 to $1,300. The
Bose PAS is $1995 direct from Bose.
The best advice anyone can give you is let your ears be the judge. If it sounds good, is within your budgetm, and fits your venue's needs, then this would be the logical choice.
Good Luck,
Gary
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Travlin' Easy