Di lang pala 1512 kailangan nya isang 9918z sa ported box and lagyan mo ng apat na Stetsom 7kd. 4500w amp lalakas yan !!!

seriously just check your box muna, bitin pa po ba? tingin ko tuning lng box, surf the net kunin mo yung requirement ng kicker for the CVXs or kuha ka ng RF mono amp para rated yung watts nya
For me CVXs are god damn bad bass shaker when tuned and feed right!!!