AP4-CH42

The PAC AP4-CH42 is one of the best full-system amplifier integration interfaces available for newer Chrysler, Dodge, Jeep, and RAM vehicles. Unlike the APSUB-CH42 that’s focused mainly on adding a subwoofer, the AP4-CH42 is designed for complete aftermarket amplifier upgrades while retaining the factory radio and vehicle functions.

Key Features

• 6-channel 5V RMS RCA outputs
• Front / rear / sub outputs
• Variable volume-controlled outputs
• Retains:
  • Uconnect
  • Bluetooth audio
  • Navigation prompts
  • Factory warning chimes
• Plug-and-play T-harness
• Data-controlled amp turn-on
• Included sub-level controller
• Adjustable bass/mid/treble center frequencies
• PC software tuning support
• Optional Toslink optical digital output with APA-TOS1 module

Vehicle Compatibility
The AP4-CH42 supports select:

• 2021+ RAM
• 2021+ Jeep
• 2021+ Dodge
• 2021+ Chrysler

including:

• Amplified systems
• Certain non-amplified systems
• Alpine systems
• Harman Kardon systems

Compatibility varies heavily by:

• Screen size
• Amplifier type
• Vehicle trim
• Audio package

so PAC’s fitment guide should always be verified before installation.

Optional Accessories
Common add-ons include:

• APA-TOS1 optical module
• APH-CH01 amp bypass harness
• DSP processors
• AudioControl DSP amps
• Helix DSP systems

The optional Toslink output is especially useful for:

• High-end DSP systems
• Noise-sensitive builds
• Competition SQL systems