Which subwoofers should i get?

Alright... out of these 4 subs, which one should i get... JBL Grand Touring GT1281, JBL Loud + Clear LC-S1250w, Polk Audio EX12, Polk Audio GNX12... The subs will be powered by a Rockford Fosgate G800a2

Another question... is lower impedence better?
2 ohm vs 8 ohm

Originally posted by xXxFLiPKiDxXx
Another question... is lower impedence better?
2 ohm vs 8 ohm
Depends? better for what? Lower impedence = more power = more noise...

Almost no car amps are designed for 8 ohm loads, you will get absolutely nothing as far as power out put... 4 ohms and lower is whats typically used in cars !

also, the amp has to be 2ohm stable or else it won't handle the load and will get fried. u can run 8ohm, but you'll only see half the power of a 4ohm load. also, the higher the load, the cooler the amp runs.