PAC AmpPro AP4-FD31 Amplifier Interface

PAC AmpPro AP4-FD31 Amplifier Interface

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PAC AmpPro AP4-FD31 Amplifier Interface


You can make your Ford's less-than-ideal factory system actually sound premium by upgrading the weak factory amplifier with a more powerful aftermarket amp. PAC's AmpPRO interface consists of a module and a vehicle-specific T-harness that make the job much easier. Even better, you can install an amplifier of your own without losing any of your vehicle's factory audio features like warning chimes, navigation prompts, SYNC, and Bluetooth® functions.


Simple to install


The package's T-harness plugs into the factory radio and vehicle harness. The small module fits behind the dash, converting your radio's speaker outputs into six preamp-level outputs ready for connection to your amp. The factory amplifier will need to be disconnected and removed from the vehicle. The factory radio controls, such as volume, balance, and fade, will work as before for your front and rear speakers. A separate wired remote level control lets you adjust the volume of the subwoofer channels from your front seat. An optional add-on module, PAC's APA-TOS1 adapter, provides an optical digital output for your high-end digital processors and amplifiers to handle.


An app for tweakers

After downloading the AmpPRO PC App and connecting to your Windows-run PC via USB, you can access the factory 3-band parametric equalizer (EQ) and customize the tone of your system to perfection. The app also lets you adjust the system's minimum volume level and update the product firmware when needed.


Product highlights:

  • amplifier integration module and T-harness
    • add an aftermarket amplifier after removing factory amp
  • works with select 2018-up Ford-built vehicles
  • 6-channel RCA outputs (front, rear, subs)
  • 5 volts RMS output
  • retains factory radio controls and audio features
  • wired remote level control for sub channels
  • remote turn-on lead for amplifiers
  • AmpPRO PC App from PAC lets you adjust minimum volume and 3-band EQ via your Windows-run PC
  • optional TOSLINK adapter provides digital output

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