E36 Subwoofer on a tight budget.

finebykris
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My 325i sedan is in need of a sound upgrade. So far I've bought:

Polk DB6501 Components

Cadence TXA-3004 Amplifier (2 channels used for the comps, 2 left for the sub/subs)

Amp specs:

4 Ohm RMS Power: 4 x 75 Watts

2 Ohm RMS Power: 4 x 150 Watts

4 Ohm Bridged RMS Power: 2 x 300 Watts

Budget: Around $50 or less for the driver(s). Used/ebay would be great to get the most for my money.

Business time

I dont have any speakers in the rear deck. Ive been hearing a lot about "Infinite Baffle". Is that something I should do? How hard would it be to fit 8" subs in the rear deck? 10" possible?

Also,It would be nice to keep the size down because I need trunk space... but i doubt I can afford anything that could take up enough room in my trunk :p

Thanks in advance,

Kris

 
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