PAC Audio AP4 Expansion Harness for ’21+ Chrysler / Jeep / RAM

Product Summary
MSRP: $99.00 (AUD inc. GST)*
Part Number: APHCH42 (Manufacturer SKU: APHCH42)
Barcode: 0609098900706
* Please note: This is the manufacturer suggested retail pricing. Reseller pricing may differ. Check with your local Australian Car Audio stockist.
^ Please note: Only at participating stores
Short Description
For select Chrysler, Dodge, Jeep, and RAM vehicles with factory amplified, or non-amplified sound systems
Available At

Plug and play solution for UConnect5 that allows you to use an AmpPRO with most Chrysler vehicles.


  • Simplifies amplifier installation
  • Prevents the need for summing and DSP devices
  • Provides factory sound system upgrade solution
  • Provides flat audio output for a solid audio foundation


  • It can be used to upgrade the entire sound system or just part of it thanks to the retention of the original amplifier
  • Variable volume, fade, balance, bass, mid and treble audio settings
  • Front, rear, sub preamp outputs (5 volt RMS)
  • Customized OE bass, mid and treble center frequency selection
  • Retains uConnect, Bluetooth audio, Navigation prompts, and all warning chimes
  • Plug-n-Play installation
  • Sublevel controller
  • Optional TOSLINK optical output (APA-TOS1 sold separately)

Also available for fast, easy install: APH-CH01 harness (sold separately)

Select non-amplified vehicles are equipped with an ANC system that requires bypass.  Plug-n-Play bypass harness: ANC-CH01