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This listing includes a new PAC APSUB-FD21 AmpPRO amplifier and subwoofer integration interface for select 2011-2020 Ford vehicles equipped with a factory data-bus-controlled amplified audio system.

The APSUB-FD21 provides a 2-channel non-fading pre-amp output for use with an aftermarket amplifier and subwoofer. Using the full range, fixed-level head unit output in conjunction with CAN messages, the APSUB-FD21 delivers a low-pass variable 5V RMS pre-amp output with bass equalization and level control capabilities. The signal has a 350Hz / 24dB Linkwitz-Riley low pass filter applied.

Integration with today’s advanced vehicle systems like databus-controlled amplifiers can be difficult, if not impossible. AmpPRO SUB products seamlessly integrate with the databus, allowing for full control and optimum sound from a factory radio when adding aftermarket amplifiers.

What's Included?

34" T-Harness (24- & 54-pin plugs) w/inline 3A mini-ATO fuse
AmpPRO module
Remote level-control (attached 6' cable w/ 2-pin Molex plug)
Instruction manual

Product Features:

Upgrade solution for factory, fixed level, data-bus controlled sound systems
Amplifier and subwoofer integration interface
Compatible with amplified vehicle systems
Data-controlled remote amplifier turn-on wire included
Connects an aftermarket amplifier and subwoofer to vehicle's sound system
Provides 2-channel non-fading output for use with aftermarket amp and sub
Delivers 5V RMS pre-amp output with bass equalization and level control
Signal equipped with 350Hz / 24dB Linkwitz-Riley low pass filter applied
Time-saving design prevents the need for audio correction devices
Provides flat-low frequency audio output
Customized OE bass center frequency selection
Plug-n-play installation
Remote sub level controller included

Compatible vehicles:

Make	Model	Year(s)	Compatible feature(s)	Not compatible feature(s)
Ford	Edge	2015-2017	With factory Sony amplifier	Without factory Sony amplifier
Ford	Escape	2016	With factory Sony amplifier	Without factory Sony amplifier
Ford	Expedition	2015-2017	With factory Sony amplifier	Without factory Sony amplifier
Ford	Explorer	2011-2018	With factory Sony amplifier	Without factory Sony amplifier
Ford	F-150	2013-2017	With factory Sony amplifier	Without factory Sony amplifier
Ford	F-250	2013-2019	With factory Sony amplifier	Without factory Sony amplifier
Ford	F-350	2013-2019	With factory Sony amplifier	Without factory Sony amplifier
Ford	F-450	2013-2019	With factory Sony amplifier	Without factory Sony amplifier
Ford	F-550	2013-2019	With factory Sony amplifier	Without factory Sony amplifier
Ford	Focus	2012-2017	With factory Sony amplifier	Without factory Sony amplifier
Ford	Fusion	2013-2016	With factory Sony amplifier	Without factory Sony amplifier
Ford	Mustang	2019-2020	With factory Sony amplifier	Without factory Sony amplifier
Ford	Taurus	2013-2015	With factory Sony amplifier	Without factory Sony amplifier

***Only compatible with the above listed vehicles***

Compatibility Notes:

This interface is only compatible in vehicles equipped with a data bus controlled premium sound system. To verify compatibility, look for a Sony badge on the door speakers, center speaker, or factory subwoofer, in the 2019-2020 Super Duty trucks and Mustang; look for a B&O badge.
The factory amplifier must remain connected, and in the vehicle after the APSUB-FD21 has been installed.
The remote output is rated at 2A of current. If more current is needed an external relay must be used.
The remote output may remain active once the key has been removed if the vehicle needs to pass chime or SYNC audio.
The subwoofer outputs are non-fading. The output level of the subwoofer channel can be controlled using the supplied level control knob. If the level control knob is not connected the output level will default to 100%.
The minimum volume level is set to a default. If you are happy with this level in your particular application then additional adjustment is not required. Please refer to the Setup and Configuration section on page 2 for more details.
Ford Focus: You cannot use the steering wheel controls to activate the minimum volume adjustment.
The level control knob must be connected in order to manually adjust the minimum volume settings.
The factory radio's speed-controlled volume and surround sound mode are not supported by the APSUB-FD21 outputs.
No adjustments can be made manually using the programming button, or the factory SWC when the module is connected to a PC.
2019+ Mustang must have B&O System to be compatible. If the amp looks like the one pictured, it is compatible. The amp can be found in the driver's kick panel. If the system is amplified and not badged then the AP4 is not compatible as this is a completely analog system.

Additional Notes
We recommend having a professional certified technician handle the installation. For any questions or concerns about the product, please contact us through the "Contact Seller" feature for technical support or customer assistance.