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Radio Universal para coche, Cable de micrófono con entrada AUX de Audio RCA de 3,5 MM, Bluetooth, para Pioneer, Hyundai, Nissan, Mazda| | - AliExpress
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To add Bluetooth to your old car's factory radio the easy way, go through the CD changer input | Hemmings
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How to Hack an Auxiliary Port into Your Old Car Stereo for Less Than $3 « Car Stereo & Audio :: WonderHowTo
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How you can add an aux input/mp3 player without an adapter - LS1TECH - Camaro and Firebird Forum Discussion
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How to Hack an Auxiliary Port into Your Old Car Stereo for Less Than $3 « Car Stereo & Audio :: WonderHowTo
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