The Sony RMX114 Audio Remote Control is originally supplied with Audio System models: Sony CDXC5000X, Sony CDXC5005, Sony CDXC5055, Sony CDXC7000X, Sony CDXC7050X, Sony CDXC8050X, Sony CDXCA650X, Sony CDXCA660X, Sony CDXCA750X, Sony CDXCA760X Sony CDXF5700 Sony CDXF5700X Sony CDXF5705 Sony CDXF5705X Sony CDXFW570 Sony CDXL410X Sony CDXL550X Sony CDXL600X Sony CDXMP450X Sony CDXR3300 Sony CDXS2000 Sony MDXC6500X Sony MDXC800REC Sony XRC5300X Sony XRC5305 Sony XRC5500 Sony XRC7350X Sony XRCA660X