E series.. 315 vs 712


What would u rather have.. i have 712s and found a pair of e 315 for sale for 150 bucks obo.  Anyone out there compare these before and have an opinion??

hordy240
E series what?  Are you talking about an amp, speakers?  A brand name may help.
Im sorry.. totally my bad and rushed my question while trying to entertain my kid haha. 
Both cerwin vega speakers.. e 3 15 vs e 7 12