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Bought these in Feb 2013 currently use them on my Flat Screen for all TV and Movie Viewing, with excellent results. In reading through the various reviews here I have come up with some observations, Some are not setting them up correctly True they don't have an on/off switch but go to Klipsch's web site and they do make a unit with a on/off switch, cost is about $50.00 more, wither Best Buy and special order these or not I would check with your local store. If you read the specs on this system the cross over is at 5K for the mid-range and sub so a careful balance is needed so the sound seems uniform across the sound spectrum. These are not Rock and Roll Play them as loud as possible Speakers. But they are THX certified witch I believe is unheard of for Speakers in this price range. One thing I've learned over the years is to not place speakers directly on carpet if I can help it. My sub sits on a 1/2 inch board that is approximately three inches wider all the way around which to me helps the sub run cooler and sound better.
What's great about it: Excellent Sound can blow you right out of the house.