Unlock premium sound without losing factory features.

The AmpPRO AP4-FD32 is purpose-built for select 2025 and newer Ford vehicles equipped with the B&O® A2B factory-amplified audio system. It lets you add aftermarket amplifiers while keeping your OEM radio and controls exactly as they are—delivering a clean signal, powerful output, and complete feature retention.

Designed for both professional installers and DIY audio enthusiasts, the AP4-FD32 makes upgrading your sound simple, seamless, and OEM-perfect.

Why You’ll Love It

• OEM Look, Aftermarket Power – Keep your factory fit and finish while upgrading your sound system.
• Full Audio Control – Fine-tune volume, fade, balance, bass, midrange, and treble settings.
• Clean Signal Output – 5V RMS front, rear, and subwoofer preamp outputs for distortion-free performance.
• Custom Frequency Tuning – Select custom bass, mid, and treble center frequencies for precision sound.
• Quick Bass Adjustments – Included sublevel controller lets you tweak low-end on the fly.
• Digital Audio Ready – TOSLINK optical output delivers a variable 2-channel digital signal for high-end setups.
• Plug-and-Play Simplicity – Easy install with full retention of OEM features like warning chimes, navigation prompts, Bluetooth®, and telematics audio (if equipped).

Features

• Variable volume, fade, balance, bass, mid, and treble adjustments
• 5V RMS front, rear, and subwoofer preamp outputs
• Customizable center frequencies for bass, mid, and treble
• Retains warning chimes, navigation prompts, Bluetooth®, and telematics audio
• Plug-and-play design for fast, clean installation
• Sublevel controller included
• TOSLINK optical output for high-performance digital audio integration

Note: The factory amplifier must be unplugged or removed when installing the AP4-FD32.

Application Guide

Documents
https://s3.us-west-2.amazonaws.com/services.stingersolutions.com/document/ff48d7d2-f50c-47ff-a2bd-0c7a902e3a77?filename=AP4-FD32_Instructions_Rev2.pdf&owned=true