no i got mine 450.2 off this forum .

I have bought used on ebay though, good luck there.
here is one to watch
http://www.ebay.com/itm/KICKER-ZXM45...item4ac25a7b6d

the two channel can run at 2 ohms if you want to add two more speakers without running four sets of wires into the tower like a 4 channel will require, build for expansion, this group will pass on the upgrade bug at some point. its an aweful disease...LOL