I have an RL-P Dual 2 running off of a Nine.1 amp, in a 1.03 cu ft sealed box, and its loud, but it barely sounds louder than my 250 watt Infinity Perfect subwoofer. With 1200 watts i never would have figured it wouldn't be loud enough for me, since i had been listening to a 250 watt sub for years before upgrading. Right now its in a prefab Subzone box, if i put it in a 1.25 ported box, would the difference in output be noticable?
