Overview: The KCM-123B allows you to adapt the CD changer input of any Alpine Versatile-Link-All set M-bus head unit to a minijack stereo connector; not all M-Bus head models are Multipurpose-Backlink Completely ready, so verify compatibility ahead of trying to use this adapter.H?i ??ng x? s? ki?n thi?t mi?n B?c bao g?m 28 ??n v? thành viên, tron