my sub smells i cant tell if it is smoking cuz it is in my trunk...i have a dual 4 type r...i think i fried a voice coil...it plays good..well it sounds good..but when i turn it up it smells horrible...i have the directed 1500d running to it at 2 ohms with the gain set at half and the bass eq off and it still does it with out a problem in the matter of minutes