Specification Sheet

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PAC-audio.com
Pacific Accessory Corporation
Page 8
Rev: 2
Date:020922
Advanced Amplier Interface
for Select Ford Vehicles
AP4-FD31
Use of the AmpPRO App allows
you to do the following:
Congure User Interface Options such
as:
Minimum Volume Level
Chime Volume Level
Enable / Disable factory EQ
Bass / Mid / Treble boost frequencies
and Q factor
Update Product Firmware
Read Firmware / Hardware Versions
You can download the Amp PRO app at :
http://aampglobal.com/appdownloads
AmpPRO App
PLEASE NOTE: These settings can be adjusted with the module installed in the vehicle, or on the bench. However, it is
recommended to make the adjustments with the module installed, and the factory radio on, so that the changes can be
heard.
Minimum Volume Level - This allows you to set the minimum volume level of the factory radio (factory radio volume level 1).
Chime Volume Level - This allows you to set the volume of the AP4 chimes (ie: park sensors).
3 Band EQ Enabled - This allows you to enable / disable the 3 band factory EQ.
Bass / Mid / Treble Freq / Q Factor - This allows you to set the center frequency that will be adjusted when setting the 3 band
factory EQ, as well as the Q Factor for each frequency. The Q Factor determines how many of the adjacent frequencies will be
60HZ 500HZ 7.5KHZ
80HZ 1KHZ 10KHZ
100HZ 1.5KHZ 12.5KHZ
120HZ 2.5KHZ 15KHZ
0.50 0.75
1.00 1.00
1.50 1.25
2.00 1.50
Bass Frequency Mid Frequency Treble Frequency
Available Frequencies and Q Factors
Bass Q Factor Mid Q Factor Treble Q Factor
0.75
1.25