The polk is a good amp very similar to the ppi phantom. Quite a few people had very good with the ppi. If your kickers are d4 wired to one ohm you will probally need to be a little careful. Cvr is rated at what 400 rms and the polk is capable of 1200 +.
Ok thanks I kno it may be a lil more than I need for subs I got now but was thinking about upgrading subs eventually thinking about going with 2 different subs that about 500-600 watt rms each