I just hooked up my M-200's....I have Polk RTi12's(L&R) and Polk CSi5 for my center....There is a noticable difference now with the 200's.
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Panasonic 50 HDTV Plasma
Pioneer 1014
Polk RTi12 (front)
Polk CSi5 (center)
Polk RTi4 (rear)
Velodyne DLS 5000-R Sub
3 Outlaw M-200 Amps