Talk about versatile with the KCA-410C Versatile-Link source adapter you can add up to two pieces of Alpine gear and gain two auxiliary inputs. That means You can access four separate sources (satellite radio, MP3 player, Bluetooth phone, etc.) through one Alpine in-dash stereo, potentially building any kind of stereo system you want.
It connects to any 2001 and up Alpine Ai-NET model receiver. Warranty: 1 year.