my jbl 300x4 gives them 123 to each side and they take it very well. tweet can be a tad harsh if set too high but once you find a nice balance between the mid and the tweet they are a nice set.
i did have them on an alpine that was only giving them about 90 rms and they lacked a little bit. they were also in some q logic kick panels at the time so that could of been a factor but i think the closest you can get to 125 youd be better off.
P 400-2. If you do use the other amp you will really have tto watch the gaiins. I am pshing 90 rms for my Polk momo's and they sound great with no problems.