I can only echo what DonM and the others have posted. I've never had a problem with phase cancellation, the sound quality is light years ahead of conventional sound systems, and after three years of use the system has never once failed to wow audiences. Everyone raves about the clarity, and no one sitting close to the stage has ever complained that the music was too loud. It's truely an amazing system.

Take the 45-day trial period offer, try it out, then if you, and your audiences, don't like what they hear, send it back for a full refund. Can't beat that kind of deal.

Oh, the one thing I forgot to mention, Bose has outstanding customer support. I only know of one instance where they system failed, and that person's system was replaced the following day via overnight shipping paid by Bose. No other manufacturer I know of provides this kind of customer service other than Logitech.

Good Luck on your decission,

Gary

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Travlin' Easy