Im tommy im new here my setup is two tantric shd twelves in trunk of my 91 Cadillac brougham on a dc 9k at .5 .2northstar 400batts with gp52 terminals and knu ofc 6runs my doors are total 8x 6.5 prv and four tweets on a pure 4 channel..team gp 350amp alt and a northstar group34 batt upfront