PAC Audio Digital Ford Plug and Play Line Out Converter Kit

The PAC AmpPRO AP4-FD21 provides a 6-channel RCA output from the factory infotainment system for use with aftermarket audio equipment including Aftermarket Amplifiers and Digital Sound Processors.

Designed for SELECT Ford Amplified Vehicles with 8.4" SYNC System
Aftermarket Amplifier Integration Made Easy
Many of today's vehicles have fancy radios with lots of features, Bluetooth, vehicle settings, climate control, amplified audio systems and more.

When you want to get better quality sound and more power, adding an amplifier is great way to improve your audio system.

This can be difficult and time consuming on a-lot of vehicles.
PAC simplifies this with AmpPRO, the plug and play amplifier integration solution.

Compatible With Nearly Every Aftermarket Amplifier
Featuring 6 channels of RCA output, the AmpPRO interface is designed to be used with many aftermarket amplifiers offering front, rear and sub-woofer outputs.

As long as your aftermarket amplifier has RCA inputs, your set to go
Complete Control At Your Fingertips
Most modern vehicles have extensive data control networks like CANBUS. The AmpPRO Interface is designed to communicate with these networks giving you complete control from your factory infotainment system like from factory including

You even get a 3 Band adjustable EQ (via PAC AmpPRO Application for Windows) where you can adjust
Digital Expandability
Installing a digital sound processor or a high end amplifier with TOSlink Input?

With the optional APA-TOS1 interface (sold separately) you can feed a digital stereo signal straight to your amplifier or DSP for the best quality sound.

(Fading control not possible with using Toslink output)
Plug and Play With Ease
Each AmpPRO interface includes a vehicle specific Plug and Play harness. This harness saves time having to hard-wire in like conventional line out converters and also offers the ability to retain extra factory audio channels like Bluetooth and navigation audio.

Plugs into the OEM Radio at the dash board and away you go.

With the supplied bass control knob, you can directly adjust the volume of the sub-woofer channels even if your factory radio didn't have it.


Includes Everything You Need
The PAC AmpPRO AP4-FD21 kit includes

Product Overview Video
Compatablity Notes
Vehicle must have the 24-PIN AND 54-PIN Ford style connector at the OEM radio to be compatible.

Vehicle MUST have 8.4" SYNC radio display
Vehicle MUST have SONY amplified audio system **
This product is compatible with data-bus controlled amplified systems only.
To identify these systems, look for logos on door speakers, tweeters, dash speakers or the subwoofer to confirm that the vehicle has a compatible amplified system. If you are unsure of your vehicle having an amplified system please contact an authorized Ford service center for further clarification.


If the amp looks like the one pictured, it is compatible.
The amp can be found in the Passenger kick panel area.
If the system is amplified and not badged then the AP4 is not compatible as this is a completely analog system.
Check Out These Recommended Accessories
TOSLINK Add-on Adaptor
Part Number: PACAPA-TOS1
Speaker Connection Harness
Part Number: COMING SOON