Audio Systems: interferance, sony xplod amp, vauxhall omega

Question
hi i have a 99' vauxhall omega in it we have twin 12"vibe black air subs with a sony xplod amp this worked fine till i added a mutant amp for the car speaker now i get engine wine through the speakers we've tried different earths,power point,rca leads ,ground loop issolator and even a differant amp and nothing helps any ideas would be greatly appreciated thankyou

Answer
Dear Haydn,

For car stereo and other mobile, low voltage questions, please go to the allexperts.com section Autos > Auto Repair > Car Radio/Stereo System Repair or you can try one of the other guys in “Audio Systems” who handles car stereos. I don’t.

Kindest regards,

Kevin