Polk Audio PSW650 Subwoofers

When selecting a low priced sub (MSRP

I decided to get a subwoofer to add energy below the frequency of my Polk Audio RT7 mains. After reading around I decided on the PSW650 (espcially since it was on special at Crutchfield.com).

I just have an interesting setup that i'd like to let you guys in on.

My system:

The Polk PSW650 is an awesome speaker. I think its a great deal for the money. I considered many other subwoofers Paradigm, Velodyne, Sony, JVC, Kenwood, etc...