Xtron d 708?

I put my amp n sub back in my car I have 6/9 s in my p shelf as I shut my boot the wire came off the 6/9 and hit the amp speaker wire now I have no sound from stereo only sub bass is the 6/9s are wired to the system is there any one who can repair these as it cost me £150 6 months ago

Azza
March 2013