About the Axxess AXFD-5V Amplifier Interface
What's in the box:
- 12-volt to 5-volt converter harness
- Instructions
Other info:
- MFR # AXFD-5V
- Item # 120AXFD5V
- California customers: Please click here for your Proposition 65 WARNING.
More details on the Axxess AXFD-5V Amplifier Interface

Product Research
Features
Step-Down Converter: When replacing factory radios in vehicles with factory installed amplifiers (mainly in Ford, Lincoln, and Mercury vehicles), an audible "pop" through the speakers may be heard; especially the subwoofer. The main reason for this "pop" noise is that the factory amplifiers do not require 12-volts to turn on, but instead require 5-volts. The Axxess AXFD-5V 12-volt to 5-volt converter takes a normal 12-volt turn-on from an aftermarket head unit and drops it down to 5-volts, which the factory amplifier handles better. A 3-wire hook-up makes the AXFD-5V simple to install.
- Connect the Blue/White wire to the aftermarket head unit's amplifier turn on wire.
- Connect the Black wire to chassis ground.
- Connect the Blue/Red wire to the vehicle's factory amplifier turn-on wire.
The Axxess AXFD-5V Amplifier Interface replaces these items:

Axxess AFDI-5V
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Customer Q&A
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Installation instructions were superb. Easy installation and it does complement the receiver wiring and factory amp interface. This amplifier interface allows the factory amp to function properly.
Eddie from Eldersburg, MD