I just had a JL 12” TW3 powerwedge with a JL JX5001/D amp installed last night (no pics because I need to clean the wiring up first) and boy does it sound good! Fills in the sound quite nicely, the 12” digs down to get those low frequencies, and it’s a sealed box so it’s nice and accurate, not bloaty and boomy. The box fits easily under the seat and the amp is tiny! Things have changed in 15 years since I last had a big sub/amp and I can’t believe how small the equipment is now.
I haven’t had the kids in the truck yet but they love when I turn up the home stereo for them. I’ll probably put their hearing protection ear muffs on for a demo ? There’s othing like the feeling of being punched in the chest when the base hits.