if you take a look at the picture of the speaker all the way to the left there are 3 components. bottom sub, tweater and top which has no electrical function. this part says woo x, on it. my sub isnt actually blown but this part had slight cracks taking away from the crips clean sound it should have. where can i get these parts or how can i fix this issues? i really apprecaite any help i can get. thank you ver much for your time.