he is looking for 1k rms sub, not peak. 300 is about 1/3rd of what he needs.I have a Kenwood 10 inch sub that I will sell you for 50 bucks plus shipping. http://www.bestbuy.com/site/olspage.jsp?skuId=8226626&st=kenwood&lp=2&type=product&cp=1&id=1166840602951