that will put your impedence load too low. a bunch of amps arent stable if you drop the load below 1 ohm. if you wire two dual 4 ohm subs in parallel then u get a final ohm load of 1 ohm. (one dual 4 sub = 2 ohms in parallel. therefore, Two dual 4 subs = 1 ohm in parallel. the impedence is divided by two when you go parallel. in a series the ohm load is multpilied by 2 which will equal 8 ohms.) the rest is just simple math my friend. so unless you get an amp capable of handling a final ohm load of .5, then i would suggest just going with two dual 4 ohm subs. you can also go with TWO Single voice coil 2 ohm subs. but i dont really want to confuse you with the numbers. the people at the audio place should be able to explain it a little better than i can.how come i shouldnt get the CVRs that are 2 ohm?