Rev: V1
Date: 091120
Page 4
Pacific Accessory Corporation
© 2020 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-Audio.com
Advanced Subwoofer Amplifier Interface for
for Select Chrysler / Dodge / Jeep Vehicles
APSUB-CH21
Restoring Factory Settings
You can restore the interface to factory default settings by pressing and holding the programming button on the side of the module
for 10 seconds until the status LEDs start blinking red. Once the LEDs start blinking red, release the button.
This reset will restore the following settings to their factory defaults:
•
Minimum Volume Level
•
Enable / Disable Factory EQ
•
Factory EQ Frequency
•
Factory EQ Q Factor
Firmware Updates
The AmpPRO app will also allow you to update the interface with new firmware as it becomes available. Please visit
www.pac-audio.com or contact our tech support department to see if there is a firmware update for your interface.
Connect the interface to your PC and select "Firmware", then “Update Firmware”. Now select “Select File”. Finally, browse to the
place where you saved the file and select it. This will begin the updating process. Once finished, disconnect the interface from
the PC and resume normal operation.
AmpPRO PC App (cont)
60HZ
80HZ
100HZ
120HZ
0.50
1.00
1.50
2.00
Bass
Frequency
Bass
Q Factor
AVAILABLE FREQUENCIES AND Q FACTORS
F1: 60Hz Center Frequency | 0.50 Q Factor
F2: 100Hz Center Frequency | 2.00 Q Factor
20 63 125 250 500 1k 2k 4k 8k 16k 20k
dB
+15
+12
+9
+6
+3
0
-3
-6
-9
-12
F1
F2
