Kenwood KCA-S220A

The KCA-S220A 2-changer switch lets you add two pieces of Kenwood gear to a compatible Kenwood in-dash stereo, including a CD changer, iPod® adapter, SIRIUS or XM satellite radio, or HD Radio™ tuner. You'll also find an auxiliary input for a portable music player or other audio gear.

External Media Switcher Box
The External Media Switcher Box allows you to expand and system-build extra compatible devices from your Kenwood head unit. It has one External Media Control input and two External Media Control outputs.
NEEDS TO BE USED WHEN CONNECTING BLUETOOTH AND ANY ADDITIONAL EXPANDABILITY FEATURE!