In Car CD Audio/video 3.5mm Ai-net Aux Cable Input Adapter Mp3 Mp4 1.5m for Alpine Kca-121b 100% Brand New and High Quality Perfectly connect your electronics to your car Audio system Play your music through your ALPINE head unit (must have ALPINE AI-NET CD changer input) Hear your music in much better quality then other iPOD connections. Easily installed in your car