Dana, good to hear how you're enjoying the surround sounds from your QS8s. Incidentally, don't limit them to "multi-channel music"; the surround effect is excellent with 2-channel source material in ambience extraction modes such as DPLII.

Yes, for the type of sounds sent to height speakers, very wide dispersion, as provided by the QS4/QS8, is an advantage.

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Enjoy the music, not the equipment.