alright so i have a alpine mrd m1000 amp...ive been plannin on gettin a l7 or a sx, but i ran into sum money and can afford hese subs now....my amp runs 1000 watts a 2 ohms...so if i put the w7 on it it would roughly be gettin around 750 rms...but the 15 mtx would be gettin a full 1000...