subwoofers.

Ok so I have four 12inch alpine type R's 500 rms 1000 peak wired in parallel at 2 ohms how big of an amp (in terms of watts) should i have?

Hey All, I have been looking at decreasing the space that my current setup takes up in my trunk. Right now I have 2 jl 12w0 in a powerwedge sealed box. Dimensions of 33"w x 15"h x 15"d I want to stick with a 12' subwoofer and was looking at the jl w3v3 (I know overpriced but I like the sq that...

can anyone tell me how much a DC AUDIO lvl 3 15 is and how much the lvl 2 is?