The Elite should have it, my regular 1018 does. It's called Standing Wave Multi-Point. It'll have you place the mic in the 2nd position, then the 3rd, and finally the primary (with the primary getting the most weighting).


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris