I'm looking to purchase a amplifier for my JL Audio 12' w0v2 subwoofer. I've eyeing these two amps but I want a second opinion before I make a purchase. I'm looking to spend no more than $150 on an amp. You guys have any other suggestions other than these two?

http://www.alpine-usa.com/product/view/mrp-m500

http://mobile.jlaudio.com/products_amps.php?amp_id=558