Good luck to all !

I solved problemInstalled is such a thing for each pair of channels - Ground IsolatorPrice 10$But these are the best place Price 125$

I have the same problem as that of Lakda http://forums.genvibe.com/zerothread?id=19988 I installed KW-XG707To solve the problem need a basic scheme of the amplifier. Maybe someone from all these things are?