I have a JL Audio 10W3v3-2 with Alpine MRV-M500 in the back of my 2008 Infiniti FX35 Suv. Seems decent for what it is but of course I'd like more. I was wondering how the 12W3 or a 13W3 would perform with the little budget Alpine amp. The amp is rated for 500 wats @ 2ohms which would put it in the sweet spot for either of the two previously mentioned subwoofers. I'm also open to other sub brands in this power range. Educate me