you can use the stock 1 but you have to get a sub gain splitter. pretty much sounds like crap! eventually i just bought a new deck. the newer ones almost all have rca plugs for sub and amp. with remote power for amp. only way for great sound.
1999 Ranger xlt 4-door off road splash
3" body lift
2 10,000lb warn front tow hooks
265/75/R16 Wild Cats,stock alloys
Gabriel gold shocks
torsion bar twist 1"
Reese tow pack
K&N box air filter,removed air muff
Alpine deck w/ ipod
4-6" Fozgate 3-way speakers
Fozgate A series 150 amp,bridged
10" Mtx sub
Midland detach face cb radio,Maxrad whip