The Sony RMS61 Audio Remote Control is originally supplied with Audio System models: Sony FHB610, Sony FHB700, Sony HCDH61, Sony HCDH61M, Sony MHC510, Sony MHC610,
The Sony RMS61 Audio Remote Control is compatible with Audio System models: Sony FHB150, Sony FHB500, Sony FHB500K, Sony FHB510, Sony HCDH51, Sony HCDH510M, Sony HCDH51K, Sony HCDH51M, Sony MCH510, Sony MHC150 Sony MHC510//M Sony MHC510M