3.5MM AUX INPUT INTERFACE ADAPTOR CABLE KCE-237B Replace KCE-433IV FOR IPOD MP3 ALPINE IDA-X301 IDA-X301RR IDA-X303 IDA-X305 IDA-X305S CDE 101R RM 102RI 103BT 104BTI W203R 3.5mm AUX Input Full Speed Cable for iPOD MP3 ALPINE KCE-237B replace KCE-433iV Provides Aux-in Source on all 2009+ Head Units Converts Full Speed to 3.5mm Stereo mini-jack Controls remain on the portable device. Compatible Alpine Models: CDE-101R/RM CDE-102Ri CDE-103BT CDE-104BTi CDE-W203Ri CDA-105Ri iDA-X301 iDA-X303 iDA-X305