Alpine KCM-123B

Auxiliary input adapter cable (M-Bus to mini-plug)

Item #: 500KCM123B

3 Reviews

This item is no longer available.

Original Price: $14.99

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The KCM-123B allows you to connect 1 audio auxiliary source (with a mini-jack output) to any Alpine Versatile-Link™-ready M-bus head unit (model number will contain an "M," as in CDM-9821). Once connected, you can select the AUX source on your receiver and utilize the Bass Engine® sound-shaping functions to personalize the playback. (When using the KCM-123B cable, a CD changer cannot be connected to the receiver.) Warranty: 1 year.

Alpine KCM-123B Reviews

Average Customer Review:

3 reviews
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Written By James, Gardena, CA on Saturday, January 28, 2006

Crutchfield Customer Review (What's this?)

I have CDM-9803 headunit and thought this cable would be the greatest for my MP3 player!! I was wrong, it didn't work. I had doubts and thought maybe my head unit was busted. Nope I plugged in my buddies changer that worked perfect. So I definitely don't recommend this official Alpine wire.


Written By Casey, Springfield, MO on Thursday, August 11, 2005

Crutchfield Customer Review (What's this?)

Did research on both the adapter and my Head unit at I have the older model 7893, and the owners manual stated I had the V-link function. Still, i didnt have the M in my model name. I gambled, and lost. Didnt fit. I have a AUX input for my CD-player, but not the right interface. Nice product though, wish it worked.

Not for 1998 Integra

Written By Richard, Richmond, VA on Sunday, June 05, 2005

Crutchfield Customer Review (What's this?)

This adaptor plugs right in to my factory Alpine radio (Acura Integra GS-R 1998), but the plug has 5 pins. The socket expects 8 pins. Regardless, it does not work.
Granted, my factory radio displays nothing on it that claims "M-bus" as the description states.

Hands-on research

What's in the box?

Download owner's manual

  • 9.75' Auxiliary input adapter cable (has a 5-pin M-Bus connector on one end and a minijack stereo connector on the other end)

Product Research


Overview: The KCM-123B allows you to adapt the CD changer input of any Alpine Versatile-Link-ready M-bus head unit to a minijack stereo connector; not all M-Bus head units are Versatile-Link ready, so verify compatibility before attempting to use this adapter. The adapte allows you to connect any auxiliary source with a minijack output. When using the KCM-123B, a CD changer cannot be connected to the receiver.

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