FHW, with your sofa being so close to the back wall it probably makes very little difference whether you have the QS4s(about 5 feet up)on the side wall a foot or two from the back with the rear tweeters reflecting off the back wall, or on the back wall a foot or two from the corner with the outside tweeters reflecting off the side walls. As sushi suggested, use some sort of temporary setup to try it both ways.


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Enjoy the music, not the equipment.