Alpine CDA-7845 CDA-7850 CDA-9805 CDA-9827 CDA-D852 CDA-D853 CDA-D855 CDA-D857 MDA-7755 MDA-W7850 MDA-W890 Ai-net to 3.5mm Aux Input Cable Headphone Jack Ainet CD Changer or anything connected to Ai-Net port will need to be disconnected while using this adapter cable. Fits:CDA-7845 CDA-7850 CDA-9805 CDA-9827 CDA-D852 CDA-D853 CDA-D855 CDA-D857 MDA-7755 MDA-W7850 MDA-W890