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mark1

mark1 10/5/2010

2003 BMW 525i Base 6 Cyl 2.50L

Body & Interior

I HOOK UP RCA JACK STRATE FROM THE SPEAKERS TO AFTERMARKET AMP NOW THERES NO SOUND COMING FROM THE STEREO WHAT DO I DO?

1 Answer


joe

joe 10/5/2010

Your car works on dc voltage but speakers work on an ac voltage. the out put on a stock radio is much higher then what an rca amp input is capable of handeling. You need to run a voltage line drop device between the stock radio and the amp. If you lost sound try hooking a speaker back up to the stock radio output to see if the final ic in the radio is blown. if no sound then you need a new head unit. If you have sound then yo probly blew the amp. if you dont want to run a voltage drop device then try an amp that has a high level input. most amps use 2-5 volts on the low level input (rca). Hopes this helps :)

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