yea there dual 2 ohm,s each, there Alpine SWR-1521D 15" Dual 2-ohm Voice Coil Component Subwoofer and the amp im running is a ROCKFORD FOSGATE POWER T15002 2CH
i have another question what kind of enclosrue should i get for those subs whats the best to get so there loud but have good sound quality thanks alot guys for helping me to