if your still looking try the Elemental designs eU.700 they are 6.5" and priced at $50 USD (I am sure that is limited actual price is about $80 i believe but still a great price) also shipping is free. These subs are just insane they will move incredibly fast and 2 of them will easily sound like 2 good quality tens. I am going to buy 4 of them when i got the money and easily drown out both my brothers 12" infinity Kappa. Here is a link to their site http://www.edesignaudio.com/product.php?cid=16&cur=USD
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