I had a bash 300 and well on a efficient 12inch JBL it wasnt very good. I didnt mount it on the sub box either. luckily It can work without being built on box and I do beleive that a regular home amp would be better than any plate amp. they seem to die easily and not enough power..I mean have you looked at them?
right now a crown pro amp can be had for $159 and claims to do
[email protected] ...crown...part of JBL ....so should be decent