Both companies also offer larger full line array (woofer and tweeter) kits in the $3,000+ price range. I have the Selah XT-8. If you bought the drivers from Madisound or Parts Express the woofers would cost you $1,680 and the tweeters would set you back $1,888. Add the price of the Hovland caps and Alpha Core inductors for the crossover and the total wouldn't be too much less than the $3,835 price for the kit, even after a volume discount for the drivers.

Good luck with your commercial venture:)