oh i was talking bout my everyday truck with the 2 9515, g's i only have about 3k to them and they get loud. the truck thats on my sig, each sub is getting 4k and they still want more. i wouldnt feed them more than 5k to 6knice, only thing i was worried about was if 7-8k is enough. How do you like your 9515h's?? i wish mine were H series i have g's