PAC APSUB-CH41 Manuel utilisateur
© 2020 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-Audio.com
Pacific Accessory Corporation
Page 1
Rev: V1
Date: 091120
Advanced Subwoofer Amplier Interface
for Select Chrysler / Dodge / Jeep Vehicles
APSUB-CH41
To Aftermarket
Amplier
Subwoofer Outputs
Remote Turn On Output
2A Max Output
APSUB-CH41-HAR
To Radio To Vehicle
Harness
Non-Fading
Level Control
Knob
Introduction and Features
Important Notes
Wiring Connection Chart
To Factory
Amplier
To Amplier
Harness
ANC-CH02-HAR
The aftermarket amplier must have a very solid ground and the amplier power/ground connections
should be made before connecting the RCA's or Remote Turn On to the APSUB-CH41
The APSUB-CH41 provides a 2-channel non-fading pre-amp output for use with an aftermarket amplier and
subwoofer. Using the full range, xed level head unit output, in conjunction with CAN messages, the APSUB-CH41
delivers a low pass variable 5v RMS pre-amp output with bass equalization and level control capabilities. The signal
has a 350Hz / 24dB Linkwitz-Riley low pass lter applied. A data controlled remote amplier turn on wire is also
provided by the APSUB-CH41.
1. This interface is only compatible in vehicles equipped with a data-bus controlled amplied sound system. To verify
compatibility, look for an Alpine, Beats, or Harmon Kardon badge on the door speakers, center speaker, or factory
subwoofer. If none of these brands are shown; check for the presence of a center speaker or subwoofer.
2. The factory amplier must remain connected, and in the vehicle after the APSUB-CH41 has been installed.
3. The remote output is rated at 2A of current. If more current is needed an external relay must be used.
4. The subwoofer outputs are non-fading. The output level of the subwoofer channel can be controlled using the supplied
level control knob. If the level control knob is not connected the output level will default to 100%.
5. The minimum volume level is set to a default. If you are happy with this level in your particular application then additional
adjustment is not required. Please refer to the Setup and Conguration section on page 2 for more details.
6. The level control knob must be connected in order to manually adjust the minimum volume setting.
7. No adjustments can be made manually using the programming button or the factory SWC when the module is connected
to a PC.
8. If the vehicle is equipped with Active Noise Cancellation (ANC), the ANC can be disabled using the included ANC-CH02
harness. See page 3.
© 2020 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-Audio.com
Pacific Accessory Corporation
Page 2
Rev: V1
Date: 091120
Advanced Subwoofer Amplier Interface
for Select Chrysler / Dodge / Jeep Vehicles
APSUB-CH41
Setup and Conguration
1. Turn the ignition on. LED 1 on the interface will turn on and the +12v remote output will turn on.
2. Set the amp gain(s) to the desired level. We recommend using an oscilloscope and test tones to set the amp gain(s).
Please refer to the MECP Advanced study guide (p. 360) if you are unfamiliar with this process.
3. Check volume, balance, fade and EQ settings.
4. If you would like to adjust the minimum volume, do so using one of the methods outlined on the next page. If you are happy
with the default levels, no adjustments are necessary.
Manually Setting the Minimum Volume (optional)
If the minimum volume of the radio (factory radio volume level 1) is too loud or too quiet, you can manually set the level of the
minimum volume using either the programming button on the side of the interface or the radio dash panel controls. If you would
like to set the minimum volume using the AmpPRO PC app, please proceed to the AmpPRO PC app section.
Installation
DIP
1 2 3 4
ON
No Function 5v / 4v Preout No Function No Function
1 2 3 4
Set DIP switches to the ON position to activate the corresponding features.
Set DIP switches to the OFF position for any features that are not desired.
Module Layout
Interface Connector 1
Expansion Port
Programming Button
Feature Select
DIP switches
Non-Fading Level Control
Knob Connection
USB Connection
LED 1
Subwoofer Output
LED 2
1. Remove factory radio.
2. Disconnect the main 52-pin factory harness connector from radio.
3. Connect APSUB harness to vehicle harness.
4. Connect APSUB harness to factory radio.
5. Set any feature DIP switches that apply to your install.
a. Set DIP switch 2 on (down) to lower the RCA output voltage to 4v. Leave DIP switch 2 off (up) to keep the
RCA output voltage at 5v.
b. DIP switches 1, 3, and 4 are not used.
6. Connect the APSUB harness to the module.
7. Connect the level control knob to the module and install in an accessible location.
8. After the aftermarket amplier power/ground connections are made, connect the signal cables and remote input from
the aftermarket amplier to the APSUB.
9. Reconnect any additional harnesses removed from the radio and reinstall the radio.
© 2020 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-Audio.com
Pacific Accessory Corporation
Page 3
Rev: V1
Date: 091120
Advanced Subwoofer Amplier Interface
for Select Chrysler / Dodge / Jeep Vehicles
APSUB-CH41
Setup and Conguration (cont.)
Active Noise Cancellation (ANC) Bypass
VehicleVehicle Amplier LocationAmplier Location
Jeep Gladiator
Jeep Wrangler JL
RAM Truck 2500+
Driver Side of Dash
RAM Truck 1500 Under Driver Seat
Chrysler Pacica
Jeep Cherokee Passenger Side of Dash
Dodge Durango*
Jeep Grand Cherokee*
Driver Side Rear Quarter Panel
When adding a subwoofer to a vehicle equipped with
ANC, the ANC system will attempt to cancel out the bass
frequencies being generated by the aftermarket subwoofer.
This results in unwanted "noise" being produced by the
factory speakers.
Identifying ANC in the Vehicle
Vehicles with multiple microphones located in the door
panels or headliner locations will usually be equipped with
ANC. If you are unsure, the ANC-CH02 can be installed with
no negative effect on vehicles not equipped with ANC.
Bypassing the ANC Signal
1. Access the factory amplier (see location info to the right).
2. Disconnect the 10-pin factory harness from the amplier.
3. Plug in the ANC-CH02 harness into the amplier.
4. Connect the 10-pin factory harness to the ANC-CH02.
TO AMPLIFIER TO AMPLIFIER HARNESS
Setting the minimum volume using the programming button
1. Start with the level control knob turned all the way down (counter-clockwise).
2. Set the amp gains to the desired level.
3. Set the volume on the factory radio to 1.
4. Press the programming button on the side of the interface once.
5. LED 1 will turn amber and the chimes will begin sounding every ve seconds.
6. Turn the level control knob clockwise until the desired minimum volume level is reached.
7. You can now either press the programming button once or wait ten seconds to exit the settings.
Setting the minimum volume using the factory dash panel controls
1. Start with the level control knob turned all the way down (counter-clockwise).
2. Set the amp gains to the desired level.
3. Set the volume on the factory radio to 1.
4. Press and hold the track down button on the factory SWC (Back left of steering wheel) for approximately ten seconds.
PLEASE NOTE: The radio will respond to the SWC commands during this process, this is normal and has no effect on
the APSUB operation.
5. LED 1 will turn amber and the chimes will begin sounding every ve seconds.
6. Turn the level control knob clockwise until the desired minimum volume level is reached.
7. You can now wait ten seconds to exit the settings.
*On some Grand Cherokee and Durango models, the vehicle may be equipped with a factory amplier and a separate
ANC module and the ANC-CH02 will not t into any connector on the amplier. In which case, the ANC-CH01 harness (sold
separately) would need to be installed at the ANC module behind the Passenger Side Rear Quarter Panel to deactivate the
ANC system.
Note: Some models are not included in this table because
ANC is not an available option for those vehicles.
PLEASE NOTE: Level control knob must be connected to module for either of the following methods
© 2020 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-Audio.com
Pacific Accessory Corporation
Page 4
Rev: V1
Date: 091120
Advanced Subwoofer Amplier Interface
for Select Chrysler / Dodge / Jeep Vehicles
APSUB-CH41
AmpPRO PC 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).
EQ Enabled - This allows you to enable / disable the bass band factory EQ from adjusting the APSUB output.
Bass Freq / Q Factor - This allows you to set the center frequency that will be adjusted when setting the bass band on the
factory EQ, as well as the Q Factor for the frequency. The Q Factor determines how many of the adjacent frequencies will be
affected when adjusting the selected frequency. The lower the Q Factor, the more frequencies will be affected. See below for
available frequencies and Q Factors. Note: This setting only affects the output of the APSUB and does not change the way that
the factory EQ adjusts the factory speakers.
60HZ
80HZ
100HZ
120HZ
0.50
1.00
1.50
2.00
Bass
Frequency
F1: 60Hz Center Frequency | 0.50 Q Factor F2: 100Hz Center Frequency | 2.00 Q Factor
Bass
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
Use of the AmpPRO PC App
allows you to do the following:
• Congure User Interface Options such as:
• Minimum Volume Level
• Enable / Disable Factory EQ
• Set Bass Center Frequencies and Q Factor
• Update Product Firmware
• Read Firmware / Hardware Versions
• You can download the AmpPRO app at :
https://pac-audio.com/app-downloads/
Firmware Updates
The AmpPRO PC app will also allow you to update the interface with new rmware as it becomes available. Please visit
www.pac-audio.com or contact our tech support department to see if there is a rmware update for your interface.
© 2020 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-Audio.com
Pacific Accessory Corporation
Page 5
Rev: V1
Date: 091120
Advanced Subwoofer Amplier Interface
for Select Chrysler / Dodge / Jeep Vehicles
APSUB-CH41
Firmware Updates (cont.)
To view Product Software and Hardware Version, connect the interface to your PC and select "About".
AmpPRO PC App (cont.)
To update the rmware, 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 le and select it. This will begin the updating process. Once nished,
disconnect the interface from the PC and resume normal operation.
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
© 2020 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-Audio.com
Pacific Accessory Corporation
Page 6
Rev: V1
Date: 091120
Advanced Subwoofer Amplier Interface
for Select Chrysler / Dodge / Jeep Vehicles
APSUB-CH41
Troubleshooting
Technical Support
1. Low volume setting on radio is too loud - Set the minimum volume using process outlined in Setup and Conguration, or using
the AmpPRO PC app.
2. If for any reason the APSUB module becomes unresponsive, or will not power up with the key on, you can reset the interface
by turning the key to the ignition position, then pressing and holding the Volume Down button on the factory steering wheel
controls for 12 seconds until a tone is heard or by pressing and holding the reset button on the side of the APSUB module for
10 seconds (until the LEDs alternate ashing red).
LED Legend
LED 1
Action/Color During Normal Operation
Solid Red Module Active
Solid Amber Minimum Volume Adjustment Mode
Rapid Blink Any Color DSP Activity
LED 2 Blinking Amber USB Connection Detected
Both LEDs Alternate Blinking Red Performing Memory Reset
Email: support@PAC-audio.com
Phone: 727-592-5991
Chat: PAC-Audio.com
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