4 12 Alpine type s need a sub box

[carlos 4 12]

Need a box for 4 12 alpine type s on 2 750 watt rockford amps for a 2003 tahoe

[Joe X]

Are those SWS-12D4?

[carlos 4 12]

Sws 1243

[carlos 4 12]

Older model rated 300 rms each

[Joe X]

So here is a suggestion, power: to subs rated, amp subsonic filter to 28Hz, minimum port clearance 5", figure is just an assembly guide:

[carlos 4 12]

Thank you so much bro and one more design i need please 1 10 american bass xfl 35hz box if possible max space 16height 16 depth 38 width on a 97 nissan pickup king cab on 2 rockford dsm 200ix at 2 ohms each do 900 rms i need a desgin for that too would really appricaite it bro thank you

[fecupe2001]

8.6 c/f and 3 6" aeros