PAC - AP4-FD31 - Amplifier Integration Interface for Select 2018+ Ford vehicles with A2B Amplified System

DESCRIPTION

• AmpPRO A2B Integration Interface for select 2018+ Ford vehicles equipped with A2B (Automotive Audio Bus) digital amplified audio systems

• Provides a high-quality low-level RCA output to integrate aftermarket amplifiers or DSP processors while retaining the factory radio and system functions

FEATURES

• Converts A2B digital audio to clean, full-range analog pre-amp signal

• Maintains all factory chimes, Bluetooth audio, navigation prompts, and safety tones

• Retains factory fade, balance, bass/treble, and volume control

• Eliminates the need for LOCs or speaker-level signal summing

• Offers remote amplifier turn-on trigger output

• Vehicle remains fully reversible — no OEM wiring damage

FUNCTIONAL APPLICATIONS

• Add a subwoofer amplifier to OEM audio

• Feed a DSP for full system tuning with time alignment and EQ

• Re-amplify all speakers using aftermarket power while keeping stock radio

• Maintains OEM audio user interface and steering wheel control behavior

SPECIFICATIONS

• Input Type: A2B Digital Audio Bus (factory signal feed)

• Output: Front + Rear full-range low-level RCA

• Output Voltage: Up to ~5V (model adjustable)

• Remote Output: +12V amp turn-on lead

• System Compatibility: A2B amplified audio platforms only

• Does not introduce additional DSP coloration — passes clean signal

INSTALLATION NOTES

• Interface connects at the factory amplifier module (typically located in kick panel, trunk, cargo, or under seat — varies by vehicle)

• Some vehicles equipped with Active Noise Cancellation (ANC) may require ANC disable procedure to prevent low-frequency feedback

• For multi-amp or staging upgrades, pair with PAC APH-FD## T-harnesses (optional) for simplified routing

FITMENT

• For select 2018+ Ford vehicles equipped with A2B digital amplified systems, including (model/year dependent):

  • F-150 / Super Duty (with B&O A2B system)

  • Mustang with enhanced audio

  • Explorer / Expedition

  • Ranger / Bronco (A2B trims only)

• Fitment is confirmed by verifying the vehicle uses A2B digital audio architecture, not by screen size alone.

INCLUDES

• AP4-FD31 A2B to RCA Interface Module

• Vehicle-specific A2B harness

• Remote turn-on lead

• Setup/configuration documentation