mtx11 10+ year member
Bump Till There Nuttin
How to tell a fi ssd 12 from a fi q 12. I bought a fi 12. Guy said it was a q but wanted to make sure what it was so I know what power to send it and the right ported box and tune. It's dual 2 ohm , has 2 stacked magnets about 1.75 thick Both magnets together and about 7 inches wide.