new to car audio, equip question

[cbccadet2002]

alright im looking for a new system but i wann go used, why no reason. anyways i found a guy that lives close thats tryin to get rid of some stuff. need some advice on quality.

i gotta choose the subs or sub i want he has

2 10inch orion XTR Pro w/ custom box

or

1 12inch diamond audio (new) CM3 DVC w/ box

and he has a soundstream 1000*1rms@ 4 ohms

500*2rms@ 2 ohms amp

Which sub whould you choose and is this amp any good. like i said i really dont know much about car audio, im more a performance gear head them electrics or audio. thanks again just point me in a direction please. thanks in advance.

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[bones22 5,000+ posts]

both are pretty decent subs you should be happy either way

considering the diamond is new tho that may be a selling point

 

[skadude016 5,000+ posts]

soundstream amp model?

and what year are those XTR's

 

[cbccadet2002]

he said they were old. before orion was sold? i really dont know anything about orion except the created the sub woofer, he only wants 150 for each item. im going to go and check them out this weekend.

heres a picture maybe that will help. sorry im a newbie trying to get into it. thanks again.

http://stlouis.craigslist.org/ele/594933159.html