- What's in the Box
Axxess AXVI-1785 Base Interface Micro-B USB Updatable
RAP Retention Interface (AXVI-1785) by Axxess®. Don't lose functionality built into your OEM radio if you replace it with an upgraded aftermarket radio or sound system. These interfaces are designed to keep Retained Accessory Power, provide switched power for an accessory amp, and outputs data to the nav system where required.