I am on my 4th Polk subwoofer and #4 one just died last night. I started with a DSWPro550wi that did not work out of the box. Returned it for another unit and that one didn't work either. Went through the nice folks at Polk customer service and because of my troubles they upgraded me to a DSWPro660wi at no extra charge. The 660 worked for a little less than a year and they just sent me a replacement for it in January. The replacement died last night and now I am getting to the point where I would like them to credit me the price I paid for the original 550 plus the wireless adapter and just move on to another brand of sub. I really like the wireless setup and the subs work great...when they work. Am I jinxed or something? I live in a low-key gated community so driving the sub hard isn't possible without police intervention. I really don't know where to go from here and could use some direction. Any ideas??