PAC-AP4-GM81-***Serialized***AmpPRO Amplifier Integration Interface for Select 2023+ General Motors Vehicle Models with BOSE A2B Factory Amplified Systems

AmpPRO Amplifier Integration Interface for Select 2023+ General Motors Vehicle Models with BOSE A2B Factory Amplified Systems.

• Variable volume, fade, balance, bass, mid and treble audio settings
• Front, rear, sub preamp outputs (5 volt RMS)
• Customized OE bass, mid and treble center frequency selection
• Retains warning chimes, navigation prompts, Bluetooth®, and telematic audio (if equipped) • Plug-and-Play installation
• Sub level controller included
• TOSLINK optical output provides a variable 2-channel digital audio output

NOTE: The factory amplifier must be unplugged or removed when installing AP4-GM81.