PAC AmpPRO AP4-GM81 Aftermarket Amplifier Interface – Retain Factory Audio for 2023+ GM vehicles w/Bose

Get the most out of your system with the PAC AmpPRO AP4-GM81.

Details

PAC AmpPRO AP4-GM81 amplifier interface for 2023+ GM vehicles with BOSE A2B systems. Retains factory audio, chimes, Bluetooth, TOSLINK output, plug-and-play install.

Features:

• Seamless Integration: Retains factory BOSE A2B audio, chimes, navigation, and Bluetooth.
• Custom Audio Control: Adjust volume, fade, balance, bass, mid, and treble.
• Preamp & Digital Outputs: Front, rear, sub preamp (5 V RMS) plus TOSLINK optical output.
• Plug-and-Play: Easy install with sub level controller; factory amp must be unplugged or removed.

Specifications:

Amplifier integration module and T-harness

Add an aftermarket amplifier without removing factory amp

Works with select 2023-up GM vehicles with Bose A2B factory sound systems

Retains factory radio controls and audio features

6-channel RCA outputs (front, rear, subs)

Switchable 5- or 4-volt RMS output

Wired remote level control for sub channels

Remote turn-on lead for amplifiers

AmpPRO PC App, available from PAC, lets you adjust minimum and chime volumes and 3-band EQ via your Windows-run PC

Optical digital output for high-end digital processors and amplifiers

Dimensions: 5.25"W x 1"H x 4"D

UPC: 609098908368

Why buy from Stereo-Needs

• Free shipping on every order
• Family business with 20+ years selling car audio and 429,000+ items sold on eBay (99.9% positive)
• Not sure it fits your vehicle or system? Call or text 951-497-3497 before you order