Weird that it’s blowing on stock power. I was wondering if you were inadvertently sending full range signal to it, but since that’s not the case it gets more difficult.
The midrange frequencies that are covered can vary by brand. The ones I use cover from 300 - 6,000 Hz. This is where it can get tricky if you don’t replace everything and use supplied crossovers or a dsp.
Sorry I don’t have an answer as to why it keeps popping on you.
I like to replace it with something like the factory unit with little better quality. The factory units never blew and if I had those I would of installed it back.
First set I installed was some focals and they lasted 2 months. Second set was the jbl and they were better but lasted about 5 months. I don't know, maybe I am installing the wrong type speaker.
I'll sell you a pair of JL audio 3.5s to go in there. I bought a second pair to use one for the center speaker but my installer ended up unplugging it.