im looking to buy my first subs and i wanted some 12's but there all too expensive so i looked at some 6.5s and i wanted to know if theres any good one that i could get 2 of for under $50
Shipping is going to cost you nearly that much getting it online...
Go onto Craigslist or your local Facebook "for sale" type page and find anything. We found our stepdaughter a 10" shallow mount pioneer with a small sealed box for $40 that does pretty decently without taking up much of her trunk. I live in a small city but right now I see a half dozen cheap subs on there for under $100; all in boxes:
8" Memphis for $50
12" gravity for $60
12" MA for $65
12" Kenwood for $60
10" Kicker comp for $70
12" Kicker comp for $40
12" Polk for $40
And even two 12" Kenwoods in a box for $80
So definitely look locally. You won't find anything like this for that price range online.