Ear protection preferences

I know that it’s come up recently, but I am trying to work out whether I am well served by spending the extra cash to skip the Peltor 100 and blow 3x the amount on a Sordin Pro-X? I’m planning to do some defensive firearm lessons in the near future, so something active is preferable, but whichever it is needs to be low-profile enough to handle shotgun and rifle fire, which is really my greater concern. I double up indoors and out with molded plugs, but I have run into problems with protectors and long guns interfering with each other.

Bonus question - what are the chances the Sordin’s see a holiday discount?