Daniel owen Posted October 20, 2023 Share Posted October 20, 2023 Hi, I have a 2003 audi a4 quattro convertible, have replaced audi concert radio for a pioneer sph-20dab, works well and turns on and off with ignition, only issue I have us sound only comes from the rear speakers, Can anyone give me advice Quote Link to comment Share on other sites More sharing options...
Steve Q Posted October 20, 2023 Share Posted October 20, 2023 Could it be an issue with the amp? Quote Link to comment Share on other sites More sharing options...
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