Pioneer CDJ 400 DJM 400 Flightcase ( PLEASE READ DESCRIPTION ) in Ruislip, Greater London for sale

Hi I'm selling my pioneer cdj and djm 400 along with my pioneer flight case. my equipment is in very good condition one slight problem is the mixer on the master out it only plays through one speaker ( EVERYTHING ELSE ON THE MIXER WORKS FINE CHANNELS AND CROSSFADER ARE IN PRISTINE CONDITION ) I've had someone look at it and they have told me its a (DRY JOINT) which needs soldering ( WHICH IM NO GOOD AT SOLDERING ) I've had a price from pioneer they said £50 to fix it a couple of other places said £20 - £30 hence the price I'm selling them at if you are interested in buying them and want me to have them fixed then the price will be £700 as ill have to travel to take them as i will not send via courier please feel free to ask me any questions in regards to my decks they have been looked after well no dents marks or anything like that they have been in a smoke free house and pet free PLEASE ONLY SERIOUS PEOPLE NO TIME WASTERS