PAC AP4-GM61 AmpPRO amplifier interface system for select GM vehicles with MOST50 20-pin and 8 pin connectors

Today's modern vehicle audio systems are becoming increasingly more sophisticated and complex. PAC engineered AmpPRO to dramatically simplify the installation of upgraded amplifiers in data-bus-controlled amplified sound systems.

AmpPRO allows you to keep the original radio's fit, finish, and features while giving you the freedom to improve the audio performance in record time!

Benefits

• Factory sound system upgrade
• Time-saving design
• Prevents the need for summing and audio correction devices
• Reliable PAC quality

Features

• Upgrade solution for factory, fixed level, data-bus controlled sound systems
• The time-saving design prevents the need for summing and audio correction devices.
• Variable volume, fade, balance, bass, mid, and treble audio settings
• Retains OnStar, Bluetooth, navigation, safety systems, and all warning chimes
• Front, rear, sub, and center channel preamp outputs (5 volt RMS)
• Provides full range, flat audio output for a solid audio foundation
• Customized OE bass, mid, and treble center frequency selection
• Plug-n-play installation
• Remote sub level controller INCLUDED
• Optional TOSLINK optical output INCLUDED

Includes
AmpPRO module
Harness
Bass knob
Knob harness
Manual

Also available for fast, easy install: APH-GM02 harness (sold separately)

How it works: