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Message: <blockquote data-quote="jerlands" data-source="post: 8781126" data-attributes="member: 685012"><p>i don't know the voltage levels the Kenwood RCA outputs but may be in the 4-5 volt range?... i don't know the voltage outputs the OEM radio put out?...it could have been in the 2-3 volt range?... and i don't know if a difference in 2 volts could have affected the factory amplifier... what I did notice after installing the head unit was a high frequency pitch audible at low volume levels... the information I could find about this suggested filters for the power supply, grounding issues or mismatch in input signal voltage levels...</p></blockquote><p></p>

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