i need help finding out what sub this is

[Kingcuong5o4]

hi im new here. i wanted to know if anybody has specs on any info on these subs. its a 12 inch double stack with a z logo on the cone. i bought it for 20 bucks and surprisly they hit almost as hard as my l7 and sound better doing it.

http://images.craigslist.org/5Ib5L95R03E23Jc3N6c62904f81f092871bbd.jpg

http://images.craigslist.org/5I95E45Mf3G43I13L2c62ed57cf577a7912f9.jpg

http://img.photobucket.com/albums/v676/biovirus/2011-03-18_102007.jpg

[727Designs]

Some guy on another forum I'm on just picked up some. They're called "Zedition"s he said. Quick google search looks like they are another chineese/flea market special. If your happier with them, than by all means continue to enjoy them.

[Kingcuong5o4]

thanks. did the other guy happen to post how many rms they are or what ssize box hes using. right now i have it in a box with 3 cubic feet tuned to 33 hertz but i wanted to know if i can go bigger or smaller