AP4-CH21

Upgrade the factory sound system in your Chrysler, Dodge, or Jeep with the PAC AmpPRO AP4‑CH21 amplifier integration module and T‑harness. This OEM‑integration solution lets you add powerful aftermarket amplifiers and subwoofers without removing the factory amp or replacing the factory radio.

Key features:

• Amplifier integration module with plug‑in T‑harness
  Seamlessly interfaces with the factory audio system using a vehicle‑specific T‑harness—no cutting of factory wiring required.

• Add an aftermarket amplifier without removing the factory amp
  Safely expand your system’s power and sound quality while keeping all OEM processing and functions intact.

• Works with select 2007–2016 Chrysler, Dodge, and Jeep vehicles
  Designed specifically for compatible Chrysler‑built platforms in this year range (see vehicle fitment chart for exact applications).

• 6‑channel RCA outputs (front, rear, subwoofer)
  Provides clean pre‑amp outputs to feed multi‑channel amplifiers and dedicated sub amps for flexible system design.

• Switchable 5‑ or 4‑volt output
  Select between 5V or 4V RMS output for optimal gain structure and noise performance with your aftermarket amplifiers.

• Retains factory radio controls and audio features
  Keep your OEM head unit, steering wheel controls, Bluetooth, navigation prompts, factory chimes, and integrated vehicle settings.

• Wired remote level control for sub channels
  Included dash‑mountable knob lets you easily adjust subwoofer level from the driver’s seat.

• Remote turn‑on lead for amplifiers
  Provides a dedicated 12V remote output to turn your aftermarket amplifiers on and off with the factory radio.

• AmpPRO PC App by PAC
  Connect to the AP4‑CH21 via a Windows PC to fine‑tune your system, including adjustable minimum volume and a built‑in 3‑band EQ (bass, mid, treble).

• Optional TOSLINK adapter for digital output
  Add an optical TOSLINK connection for integration with DSPs and high‑end digital‑input amplifiers.

• 1‑year warranty
  Backed by a 1‑year manufacturer warranty for added confidence and reliability.

The PAC AmpPRO AP4‑CH21 is the ideal solution for Chrysler, Dodge, and Jeep owners who want to add aftermarket amplifiers and subwoofers while retaining the factory radio and all OEM features, delivering a clean, configurable audio signal for serious sound upgrades.