Thank you so much for you reply. I'll see what I can do about it. One more question: If I change the stereo it will work? This amp is inside the stereo or is a car part?

Really sorry but I have no idea what are you talking about. Can you please be more specific????
Thank you.

Hi there. I have a 2004 S40 VOLVO and a few days ago I just lost the sound of the Radio and CD player. The radio works, I can change the channels, the CD works, I can change the songs that I have on cds, BUT there is NO SOUND. Sometimes (once per hour) for about 5-10 seconds there is sound and then ...