many people are suggesting getting 3 JL W6 because since when you wire all three in parallel, you will get a 1ohm load. if you get two, it will present the amp a 1.5 load. usually company will rate the amp at 1ohm, 2ohm, 4ohm, 8ohm, etc. so if you're planning to get 2 subs, make sure you know how much power the amp puts out at 1.5ohm. also, be sure the amp are stable to 1.5ohm or lower. if it's stable only to 2ohm, DON'T TRY IT! most likely the amp will overheat and fry. maybe if you put some kind of fan on it then it'll have a better chance of surviving. to calculate the ohm the amp will see, simply use this equation:
Ohm per sub = total Ohm
number of subs
say you have 2 subs. each one is a single voice coil and 4ohm. so take the "4" (ohm) and divide it by "2" (total amount of subs) and that will give you 2 as your answer. you're amp will see a 2ohm load with 2 SVC 4ohm subs
PS. i got bored so i just typed all these down
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