what does the 'parabass' on the 160 do, that the epicenter doesnt?
http://www.mobileaudiocontrol.com/product.asp?Product_Id=14152&d_Id=5250&l1=5250&l2=
http://www.mobileaudiocontrol.com/product.asp?Product_Id=14152&d_Id=5250&l1=5250&l2=