let me tell you i got rid of my 12 inch kicker l3 sub on 450 rms it was in my wifeys scion tc i bought a sundown e10 thats on this halloween special going on and am pushing 680 rms to it at 2 ohms all i can say is im impressed lol i think its too much bass for the wifey and the gains at a quarter am going to dd1 it this sunday i am def pleased i have a video of sub excursion but sound sucks now sure how to upload it on here i got it in a box i built it was my first box 1.17 cu at 35 htz