Instruction: Extract information from the supporting document to answer the given question.

Input:
Question: Which box would be better for this sub, seal or ported?
Document: i plan to re-cone mine with a dual 4 ohm voice coil this time. i highly recomend this sub, but know what you're doing. don't mess around with this sub. i had it in a 4.5 cubic foot aero-ported box and the lows hit so hard my hair would be moving around.
Let me say this sub is killing it. PA has out done its self with this one. First i would like to say is if you purchase this sub just buy one. Be smart go to a professional installer and tell them you want a ported Bose sound wave box built for this sub. Order on amazon a lanzar 2000 watt class d mono black it looks black and chrome and its truely 1ohm stable .
i received this sub late for a 2 day shipment but it was okay because we got hammered with a freak snow storm. but when i tried fitting this sub into the 15 inch scosche box i bought here online as well. it was too big for the box and stuck out about an inch. and i had the box trimmed a 1/4 of an inch to get this to slide in, my only gripe is i wish they would supply pre fit wire for the dual voice coil.
I bought this sub as a christmas present to myself back in 2012. ive gone through kickers, rockford fosgates, and boss (boss is all plastic) Since then ive slammed this thing in a 3.2 cubic ft box tuned to 32hz. At the moment i am pushing a Boss Riot 1600w at 4ohms (500 peak) and it SLAMS!! but i am working on getting this sub the power it deserves! working on making a custom ported box to manf. recommendations.
I've had dd,kicker,hifonics,lanzar,Pioneer,volfenhag, and this sub by far out does all the other subs I've had the only sub that out does this sub the Memphis mojo this sub just awesome it slammes put it on a true 3500w amp in the right box it will just slam I love this sub so far, but u better have a capacitor or secondary battery on this thing, I love it I give it 5 stars for a reason
Subs hit hard, but not as hard as I thought. The two subs are in a ported 10 cubic foot box, but they need, in my opinion, at least 8-10 cubes apiece.
As soon as i got my wires ran and it all hooked up it took my breath away literally, paired with a kenwood 2000 watt mono and atrend single 15 inch slot ported box it was an insane combination after a few more days of break in ill turn the amp up and really see what it can do.
I have two of these subs in my 2007 honda fit and they hit hard. For the price you can't beat it. Im pushing them with a Power Acoustik BAMF 5500 in a 8 cubic foot ported box tuned to 35hz. I highly recomend these subs to someone wanting to stick to a budget. You can't beat $160 for this 15.
I have 2 of these in a custom dual ported box made exactly to manufacturures recommendations, hooked up to a Crossfire 2000D at 2500watts rms (14V) @ 2 ohms. these subwoofers simply cannot handle the power for longer than 10 minutes without smoking or smelling of electrical burn. and before any of you question the setup, there is nothing wrong with it, I have been doing this for 10 years. they still sound when amp is turned way down but just not loud enough.
I bought one of these to upgrade from my rockford p3 15 there is no competition there this sub is by far the best sub i have ever owned ive had everything from rockford to jbl to audiopipe ive ran alot of subs decided to try this one and it by far blew everything else i have ever ran outta the water i would recomend this to any one wantin that loud booming bass.
Answer: A 4 cubic foot ported box tuned to 32hz. I have two in my car, for the price they are great.