I am set on ordering some Fi subwoofers in the next week. This is my first sound system and my first post here so please bear with me if some of the things I say are noobish. LOL I am on this form to learn more about all this and appreciate everyones help and input. I feel like I am semi knowlegeable to the basics of car stereo but don't have much expereience listening to high quality systems (most people I know just have bottem end subwoofers from walmart with crappy amps etc. like most of the population lol, which is fine for them im just saying I want better) I have a 2009 Dodge Charger R/T I am would like to buy an Fi subwoofer or 2 that will AT LEAST sound better and louder than a JL audio W7 (If possible, which from what Ive read it is). I have heard the W7 a few different times before and in my opinion it sounds pretty good and is pretty loud. I mostly am looking for a subwoofer that is going to pound really hard(SPL) but am using it as a daily driver and not entering any competitions so I would like the best SQ I can get (Yes I understand you give and take with SPL and SQ). I listen to lots of different music but mostly rap and mostly care how the subs sound with rap. I am probably going to use a 2000watt rms rockford fosgate amplifier but can obviously deviate from that depending on my final woofer choice. I would like to spend less than $400 on the subwoofer/subwoofers but can spend up to $550 if I absolutely have to. I am wondering what the pros and cons would be between the following 6 subwoofer combinations I am considering. Here they are listed in order of what I am leaning towards: 2 12 inch SSD's ($360+) 1 12 inch BTL ($384+) 1 12 inch BL($274+) 1 12 inch Q($244+) 2 12 inch Q's ($488+) 2 12 inch BL's($548+) The only reason the 2 Q's and BLs are at the bottom of the list is because of the price. I would like to chose between the top 3 unless the 2 Q's or BL's would be far superior. I just really don't know how these would all sound compared to each other. Assuming they are all put in proper spec boxes with their max recommended RMS power how would they all compared to each other with regards to SQ and SPL. I hope you can tell what I am looking for roughly and give me advice based on your experience. And for arguments sake Assuming an RMS watt costs .35 here are projected amplifier costs and combined costs in order of least to most expensive: 1 12 inch Q($244+)...........1000W RMS ($350).....$594 1 12 inch BL($274+)..........1000W RMS ($350).....$624 2 12 inch SSD's ($360+).....1600W RMS ($560).....$920 1 12 inch BTL ($384+).......2000W RMS ($700).....$1084 2 12 inch Q's ($488+)........2000W RMS ($700).....$1188 2 12 inch BL's($548+)........2000W RMS ($700).....$1248 I obviously would like to spend the least amount but wouldnt mind spending a bit more if the difference is going to be huge. I understand there are a lot more costs associated I just don't want to make it too complicated to answer. Again sorry if anything I said was stupid, I just need to start somewhere in order to learn more. Thanks so much for your help! Have an awesome Day! -K.C.