check it out, these are "rated" at 1020 watts. i don't know where they come up with that figure. what kind of amp did i have though, that i can't remember. i wanna say it was a directed 750d. but i can't remember. i love directed products, i have a 1200d powering a kicker L515. I love 15's. Image Dynamics are nice as hell. Save your money and get the ID's. They will last a lifetime if you treat them right.