I need fronts that are indestructible

first of all kfr01, I feel bad for you.

Second, If she's his wife even if she pays for the new speakers, he will prolly pay for them. Unless things are changing and people aren't goiong with joint accounts anymore, not surprising with the "standard" pre-nup.

Third, consider a new wife

Fourth and last resort, locktite the gains. If she figured out how to break it by upping the gains she's gunna figure out how to break it no matter how you hook it up with crossovers and such, are you sure she just doesn't hate you?

The general public are either just smart enough or just dumb enough to figure out how things will break and there is no way to fix that.