Pearl Jam

Im getting ready to install theese products in my 1991 Ford Explorer XLT and would like some advice whether these brands are any good at all and if not what else to get with the stuff I have already bought..ok.. this is what I've got Brand: Lanzar Vibe 248 1200 Watts Amp(for subs) Brand:Dual 12 Inch Subs In Bandpass Box Brand:Jensen A222HLX 250 Amp(for front stock speakers, possibley rear stock as well). Thanx beforehand, Morgan