Not a bad system. However, The 12" IDQ on 600W RMS @ 2ohms from that Alpine amp will eat that one for breakfast and crap out musical notes later on, all else being equal. Besides, he stated he wanted to spend no more than $400, so were getting him the best bang for his $400, not $275.Come on my whole system was $275 why are you guys trying to get him to buy a $200 sub and a $200 amp?
http://www.cardomain.com/item/IDSID10V3D2O
http://www.bsless.com/ha1000m.html
http://www.mainstreet-audio.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=HA1000M
You could buy 1 sub wire it at 4 ohms and get 300 watts ($170) or you could buy 2 subs wire it at 2 ohms and get 250 watts going to each ($240).
Then i would get someone on here to design a box and build it for you. Since thats where most of the sound quality comes from. Spend extra on the box there are alot of good builders and designers on here.
my 2 cents
PuN