I have problems of interference in my coneccion

[adrian8]

I connect my 4 chanels amplifier and my speakers everything is correct all the cables of signal run for a single side the rca cables are correct please help

[adrian8]

I lower the gain and sounds beter but I can still hear the sound of the engine

[SHOnOFF]

ground your RCA's and get a ground loop isolator. if you don't know what they are look them up. if you have a pioneer deck..... good luck.......

[adrian8]

ground your RCA's and get a ground loop isolator. if you don't know what they are look them up. if you have a pioneer deck..... good luck.......

tanks because I think that is the solution

[jpexpc]

This is a concern.................