If you have two of the same subs and one is 2 ohm and the other one is 4 ohm would the 2 ohm be louder since amps put out more power in 2 ohm. I hope this makes sense.
dont run the two subs together. If you put a two ohm load on your amp you should put more power to the sub.theoretically making it louder then the other if they are same type of sub, using the same enclosure.