Overview: The KCM-123B lets you adapt the CD changer enter of any Alpine Adaptable-Connection-Prepared M-bus head unit to your minijack stereo connector; not all M-Bus head models are Functional-Url Prepared, so confirm compatibility prior to seeking to use this adapter.Ng??i ch?i có th? theo dõi và tham gia nhi?u kèo c??c h?n ?? t?ng kh? n?ng