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 CompatibilityThe 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 AccessoriesCommon 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
