OK...
Pioneer head unit
6 infinity kappa 6x9's
4 Linear compression audiobahns 12", 2000 rms each
4 2 ohm mono audiobahn sub amps model not sure
4 scosche digital capacitors
dual optima deep cycle batteries
140 amp alternator
scosche wires
4 2.00 sealed or ported boxes 1" Fiberboard
The loudest subs are Audiobahns by far, I have beatten everything on earth so far!
Go to www.audiobahn.com! They show all types available. One 15" 3000rms I think, they also have 18inch and 34 inch, yeah that is 34 inch!