PAC AP4-GM61, AmpPRO For Select GM Vehicles w/ 20-Pin and 8-Pin Connectors (MOST50) Audio Output Interface For Vehicles

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Today's modern vehicle audio systems are becoming increasingly more sophisticated and complex. PAC engineered AmpPRO to dramatically simplify the installation of upgraded amplifier s 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 IncludesAmpPRO moduleHarnessBass knobKnob harnessManual Show more