Gi?i m?i (bao g?m t?t c? gi?i nào có s? thay ??i, c?p nh?t m?i ho?c ?i?u ch?nh)Overview: The KCM-123B allows you to adapt the CD changer input of any Alpine Versatile-Hyperlink-Prepared M-bus head unit to a minijack stereo connector; not all M-Bus head units are Versatile-Hyperlink ready, so validate compatibility right before seeking to use this