AP4-CH31

Transform your factory audio system with the PAC AmpPRO AP4-CH31, a plug-and-play amplifier integration module designed for select Chrysler, Dodge, Jeep, and Maserati vehicles with premium amplified sound systems. Add powerful aftermarket amplifiers and subwoofers without removing the factory amp or replacing your OEM radio.

Key Features:

• Amplifier integration module with 22-pin T-harness (Dual MS-CAN)
  Vehicle-specific plug-and-play installation—no cutting of factory wiring required.

• Compatible with select 2010+ Chrysler, Dodge, Jeep, Maserati vehicles
  Works with amplified factory systems (see fitment guide for exact models).

• 6-channel RCA preamp outputs (front, rear, sub)
  Full-range 5V RMS outputs with variable volume, fade, balance, and EQ control for clean signal to aftermarket amps.

• Retains all factory features
  Keep uConnect, Bluetooth audio, steering wheel controls, warning chimes, and OEM sound processing.

• Wired sub level controller (bass knob included)
  Dash-mountable knob for convenient subwoofer level adjustment from the driver’s seat.

• Remote turn-on lead
  Provides 12V remote output to automatically turn on aftermarket amplifiers.

• AmpPRO PC App by PAC
  Windows PC software with 3-band EQ (bass/mid/treble), customizable center frequencies, Q-factor adjustments, and minimum volume settings for precise system tuning.

• Optional TOSLINK digital output
  Add APA-TOS1 adapter (sold separately) for 2-channel fiber optic digital audio to DSPs and high-end amps.

• Professional installer benefits
  Simplifies amp installs, eliminates need for summing/DSP devices, provides flat audio foundation.

What’s Included:

• AmpPRO AP4-CH31 module
• 22-pin harness (Dual MS-CAN)
• Bass knob and knob harness
• Manual

1-Year Warranty
Backed by PAC’s 1-year manufacturer warranty.

The AP4-CH31 is perfect for Chrysler/Dodge/Jeep owners who want serious aftermarket power while maintaining the factory radio’s fit, finish, and features. Ideal for full system upgrades or simple subwoofer additions.