Definition: Audyssey DSX (Dynamic Surround Expansion) adds front vertical-height speakers, similar to Prologic 11z, but also incorporates the addition of left/right wide speakers positioned between the front left and right and surround left and right speakers. For a more detailed explanation and speaker setup illustrations, check out the Official Audyssey DSX Page
Definition of the Term: Audyssey DSX
By Robert Silva, About.com Guide
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