3 txxbcd4 12

I am not by any means of a box builder it's a lost cause flat out need help building a 3 txxbcd4 12.i can do everything else except building a box

This box is to big for the txxbcd4 12 barely got all the screws in

I build a box of 55 liters vinjournalisternas the drivers inplanerat i´rs was passive, no sampling inside at all and the passive Radiadtor was a SLSPS And the Aktive pedaler was EARTHQUAKE DBIX D4.15 INCH, I had minuted on 270g of extra Wright on the amplifyong it with SAM-1 740 w EMS and 1040 i Peak with Peakqulixer And I think it soundet like SUPERNOVA SUB Theo sell, but iy´t not my best or forts sub threis better, The one i have att jome noe match better and cleaner sound and bass, Algots as deep, but thats what the point,  RR are Esau to get right but thats not sure Theo sound good for that coupe // Christopher björkqvist