Hey there, im currently running a 15 kicker in a sealed bassworx bbox powered by a 250d directed amp.. I recently took the amp out and put it back in today but now has started this low frequence hum.. When i turn my truck on its like it is a power surge and pops the woofer , when i put my window up it also pops the woofer. Help me out here guys i am kind of a nooob:cheers: