The Sony RMX113 Car Audio Remote Control is originally supplied with Car Audio System models: Sony CDXA850X, Sony CDXCA8, Sony CDXCA850, Sony CDXCA860X,
The Sony RMX113 Car Audio Remote Control is compatible with Car Audio System models: Sony CDXCA850X, Sony CDXCA900X, Sony CDXCMP70, Sony CDXMP70, Sony CDXMP80, Sony CDXXA850A, Sony MDXL750X,