Alpine KCA-121B Auxiliary Input Adapter
Converts the changer port on Alpine stereos to an aux input
-The KCA-121B converts Ai-Net changer port on compatible Alpine receivers into an auxiliary input.
-Additional RCA input instead of CD changer Ai-Net type port
-Note: Only one (auxiliary accessory OR CD Changer) can be used. In other words, the RCA auxiliary input could not be used while CD changer input is used.