The Sony RMX4S Audio Remote Control is originally supplied with Audio System models: Sony CDX1000RF, Sony CDX4000X, Sony CDX4000X/, Sony CDX4005, Sony CDX4180, Yamaha CDX480, Sony CDX7000X, Sony CDXC4750, Sony CDXC480, Sony CDXC5000X Sony CDXC5005 Sony CDXC5050X Sony CDXC5055 Sony CDXC5750 Sony CDXC580 Sony CDXC6750 Sony CDXC680 Sony CDXC6850 Sony CDXC7000X Sony CDXC7050X Sony CDXC780 Sony CDXC7850 Sony CDXC880 Sony CDXCA710X Sony CDXCA720X Sony CDXCA810X Sony CDXF5005X Sony CDXF5500 Sony CDXF5505X Sony CDXF5700 Sony CDXF5705X Sony CDXF5710 Sony CDXF7700 Sony CDXFW570 Sony CDXFW700 Sony CDXGT30W Sony CDXGT310 Sony CDXGT420U Sony CDXGT510 Sony CDXGT620U Sony CDXGT81UW Sony CDXL550X Sony CDXL600 Sony CDXM600 Sony cdxm610 Sony CDXM650 Sony CDXM750 Sony CDXM8800 Sony CDXMP450X Sony MCDX7900 Sony MDPKGME5 Sony MDXC5970 Sony MDXC6500X Sony MDXC7900 Sony MDXC7900R Sony MDXC7970 Sony MDXC7970R Sony MDXC800REC Sony MDXC8900 Sony MEXBT5000 Sony RMX4S Sony SLVAV100 Sony XR4800 Sony XR4890 Sony XRC5100 Sony XRC5120 Sony XRC5300X Sony XRC5305 Sony XRC5500 Sony XRC6090 Sony XRC7220 Sony XRC7220R Sony XRC7350X Sony XRC8220 Sony XRC9100 Sony XRF5100 Sony XRM550

The Sony RMX4S Audio Remote Control is compatible with Audio System models: Sony CDXCA7, Sony CDXCA700, Sony CDXCA700X, Sony CDXCA730X, Sony CDXF7000, Sony CDXF7005X, Sony CDXM600R, Sony HCDH160, Sony HCDH1600, Sony HCDH300 Sony MCHM300AV Sony MHC160 Sony MHC1600 Sony MHC1600/H Sony MHC1600/HC Sony MHC1600CD Sony MHC1600H Sony MHC300 Sony RMS155 Sony RMTV209 Sony RMX118 Sony SLVAV1000 Sony SLVAV100U Sony TCH1600 Sony VR610HF Sony WXS2000 Sony XRM500 Sony XRM500R