fi subs

New Car Amp- Hifonics Brutus brx.2400 Space - around 5.7 gross cubes Choices 2 Fi X 12 inch subs tuned at 33 hz or 1 Fi Q 15 inch also tuned around 33. - With added options like Cooling and spider maybe heat ring What do you recommend between these two. The two cost about the same after...

I bought a used FI Q12 a few weeks ago and its in great shape, honestly couldnt be happier with what i paid, but i went on their site because i was thinking about a 2 12" set up..only to see the price was bumped up about 30% on all their subs (even though they put them "on sale", yet theyre...