Have a set of IDQ 8's between the legs of the front passengers running (this is a bit from memory) 50-100Hz ... seems like a retarded idea, but it works well (for the last 4 years, anyways) ... the "box" is a very formed fibreglass thing under each seat around 0.75cu·ft. Rest of the stuff: 6.5" Chameleons w/tweet in doors (highpassed something like 70Hz) and 2 x IDQ 15s running IB 50Hz down. I have some Eclipse 8971s (or whatever the 5x7s were called) in the rear doors but they're only on with passengers. Alpine 1505, F505 and T505 running everything off an Alpine HU (7977) ... fronts are EQd with an Alpine 3402. Works well, used to compete with it a few years ago (lost lots of points on prettiness ).

Inside a shitty Cavalier that's had a pretty heavy treatment of B-Quiet and foam bits to quiet 'er up.

 

Man im running 1 12W6V6 off 550rms and I've always wanted to have a dual 8 setup and I don't know why lol.

 

Smallest sub I've ever used was a 10 incher as I always thought anything smaller couldn't provide the output or lows that i wanted. But I recently heard a Focal 21 WX 8" sub and it sounded better than the single 10" i used to own.

 

Two RE8 svc 4ohm had them for years now, always surprised my friends with them on how they sounded.

I also have a pair of ed3.6 dvc 2ohm, not sure how good they are, but for the price they should be good for something

 

I just picked up a Hertz ES200 last night. Building and installing the box over the next couple days.