PAC AmpPRO 4 Amp Integration Interface for Select 2018 and Up Ford Vehicles with Factory-Amplified B&O A2B Sound Systems, AP4-FD31

This device does two things that I consider mandatory when upgrading your audio system. First, it generates a flat signal for six RCA outputs at 5volts or an optical digital. Second, it allows adjustment of the factory chime volume. If you have ever heard an amplified chime you know how valuable this is! Bonus feature is the harness that interfaces with the OEM speaker wire. No need to cut into the factory wiring.There are some DSPs out there that claim to cleanup the factory EQ. That's true if you never adjust the volume with your factory knobs ever again. The EQ changes throughout the volume range. You have to use the DSP app/knob to adjust the volume.There is another option out there that's been around longer. I personally haven't used it. Heard mixed reviews and it's more expensive.

What an easy way to upgrade your factory sound system. This thing is great and easy to install. Maintains factory integration for the system.

Failed toslink output at 14months, out of warranty. I have asked for a repair. They said no, i have to purchased a new one.. Very dissapointed for the price i expected allot more. Go to another company they have a longer warranty.