Originally Posted By: Ichigo_Kurosaki
What are the differences between the Harmon product lines?

Price (and thus sound quality allowing for diminishing returns at the high end).

For instance a pair of Revel Salon2 speakers costs $22,000.
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Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris