Originally Posted by 98rangerxlt
Welcome to R-F dont forget to introduce yourself in the intro section if you have not already.
I haven't done so, but will do so shortly. I get suckered in towards the audio section pretty quickly. It's a bad habit, I know.
To the OP, does your friend have $400 to spend on an amp and a sub(s) or just the subwoofer(s)? If he doesn't care so much for how good it sounds and just wants it to hit hard, look into the shallow CV's.