ok im not sure what this is that i found but im guessing it is how they tunethesub..but anyway i pulled the sub out of the eclosure last night and coming off of the + terminal on the box was speakerwire but then there is this lilblack thing that has two prongs on it....well a speaker wire rom the box gos to one lil thing on the blackpiece and another piece of speaker wire comes from the speaker to the other side o te black piece.....well i took that off and ran the speaker wireright t the terminal on the box and nowit doesnt cut in and out....i dont know but thats how im leaving it!