looked on craigslist, nobody's really selling anything new haven for sale "subwoofer" - craigslist
Seen this amp on amazon, would it be fine? http://www.amazon.com/Hifonics-ZRX1200-2-Car-Amplifier/dp/B007162ZNQ/ref=sr_1_2?ie=UTF8&qid=1429049853&sr=8-2&keywords=hifonics+1200