q-logic

I want to add some bass to my ridgeline, I saw three subwoofer setups on Ebay, anyone purchase these? Any opinions? A. Generic Sub box: http://cgi.ebay.com/HONDA-RIDGELINE-10-06-UP-DF-SUBWOOFER-SUB-BOX-AMP-RACK-/310251531791?pt=LH_DefaultDomain_0&hash=item483c6eae0f B. Q-Logic Setup...