You guys think it would be suffice to power one of the Dayton AUdio Ultimax 15" subs in a 3 cubic foot enclosure or should I step up to the XLS 1500? Dayton Audio 15" Ultimax Subwoofer and Cabinet Package http://www.amazon.com/Crown-XLS1000-Power-Amplifier/dp/B003HZPKSM