The PAC APSUB-CH42 is one of the cleanest ways to add an aftermarket subwoofer amplifier to newer Chrysler, Dodge, Jeep, and RAM vehicles while keeping the factory radio fully intact. It’s designed specifically for factory amplified data-bus systems where traditional LOCs often create poor bass response, signal issues, or ANC problems. Key Features Plug-and-play subwoofer integration 5V RMS subwoofer preamp output Flat low-frequency signal output ANC (Active Noise Cancellation) bypass harness included Remote subwoofer level knob included Data-bus integration Retains factory radio No audio correction devices required OE bass center frequency adjustment Designed specifically for factory amplified systems Compatible VehiclesCommon applications include: 2021–2022 Chrysler Pacifica 2021 Dodge Durango (10.1" screen) 2022–2024 RAM trucks (non-classic) 2024 Jeep Wrangler 2024 Jeep Wrangler Unlimited Compatibility depends on amplifier and connector configuration, so PAC’s vehicle guide should always be verified before installation.