About the PAC APSUB-FD21 AmpPRO SUB Wiring Interface
Product highlights:
- connect an aftermarket amp and subwoofer to your Ford vehicle's premium sound system
- factory amp needs to be left connected
- package includes amp installation module, Ford-specific harness, and wired remote
- amplifier module supplies 5-volt preamp signal for subwoofer amp
- options include flat frequency response or user-selectable center boost/cut frequency
- Ford-specific harness simplifies installation
- wired remote control included
- warranty: 1 year
- MFR # APSUB-FD21
- Item # 541APSFD21
- California customers: Please click here for your Proposition 65 WARNING.
What's in the box:
PAC APSUB-FD21 AmpPRO SUB Wiring Interface owner's manual
If you need assistance accessing this owner's manual, please give us a call.- 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
More details on the PAC APSUB-FD21 AmpPRO SUB Wiring Interface
Product Research
Features
Amplifier Integration Interface: The PAC AmpPRO APSUB-FD21 lets you add an aftermarket subwoofer amplifier (sold separately) to select 2011-2020 Ford vehicles with data-bus controlled factory amplified sound systems. With the AmpPRO APSUB-FD21, you can improve your vehicle's audio performance while keeping an original radio's fit, finish, and features. The included T-harness lets you interface the factory wiring, while retaining the original factory sound system.
Notes:
- The factory radio and factory amplifier must remain connected in the vehicle and be operational in order to use the PAC AmpPRO interface.
- The factory radio's speed-controlled volume and surround mode (if applicable) will have no effect on the APSUB-FD21's output signal.
Vehicle Compatibility: The PAC AmpPRO APSUB-FD21 amplifier integration interface is compatible with the following 2011-2020 Ford vehicles with a data-bus controlled factory sound system (24-pin & 54-pin MS-CAN connectors).
| Make | Model | Year |
|---|---|---|
| Ford | Edge | 2015-2017 |
| Escape | 2016 | |
| Expedition | 2015-2017 | |
| Explorer | 2011-2018 | |
| F-150 | 2013-2017 | |
| F-250 | 2013-2019 | |
| F-350 | 2013-2019 | |
| F-450 | 2013-2019 | |
| F-550 | 2013-2019 | |
| Focus | 2012-2017 | |
| Fusion | 2013-2016 | |
| Mustang | 2019-2020 | |
| Taurus | 2013-2015 |
2Ch Subwoofer Pre-Outs: The PAC AmpPRO APSUB-FD21 provides a 2-channel non-fading subwoofer pre-amp output for use with aftermarket sub amplifiers and powered subwoofers. Using the full-range, fixed level factory radio output, in conjunction with data-bus CAN messages, the APSUB-FD21 delivers a 4V or 5V RMS pre-amp output (selectable). The output signal has a 350Hz/24dB per octave low-pass crossover applied to it.
Non-Fading Level Control Knob: The two APSUB-FD21 pre-outs are non-fading outputs. The output level of these channels can be controlled using the supplied level control knob. The level control knob comes with a 6' cable which plugs into the interface module and should be mounted in an accessible location.
Note: If the level control knob is not connected, the default subwoofer output level will default to 100%.
Data Controlled Remote Turn-On: A data controlled remote amplifier turn on wire is also provided by the PAC AmpPRO APSUB-FD21. The remote turn-on is rated at 2A of current. If more current is needed an external relay must be used.
Retained Factory Audio Features: The PAC AmpPRO APSUB-FD21 also retains all audio from other vehicle features such as factory Navigation Prompts, Bluetooth, Sync, and Warning Chimes.
AmpPRO PC App: Using the AmpPRO PC App (for Windows PC only) allows you to configure user interface options such as Minimum Volume Level, Enable/Disable Factory EQ, and set Bass Center Frequencies and Q Factor, from your Windows computer or laptop. The app can also be used to update product firmware.
- Minimum Volume Level: From the app you can set the minimum volume level of the factory radio.
- EQ Enabled: Lets you enable/disable the factory EQ bass-band from affecting the subwoofer output.
- Bass Frequency/Q Factor: The AmpPRO app will also allow you to set the center frequency of the bass-band on the factory EQ, as well as the Q Factor for the frequency. This setting only affects the sub output and does not change the factory EQ for the rest of the speakers.
Dip Switch: Set dip switch 2 to "ON" to lower the RCA output voltage to 4V. Set the dip switch 2 "OFF" to keep the RCA output voltage at 5V. Dip switches 3-4 are used for troubleshooting Sync & Bluetooth. Dip switch 1 is not used.
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Customer Q&A
3 questions already asked
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I had originally used a line output converter, I didn't feel like I was getting clean bass so I bought this PAC unit. Plug and play unit, getting much cleaner bass with the PAC vs the LOC
Scott from Decatur, IL