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Car Audio
Metra  |  SKU: AXAMP-GM33
$45.00 off

Buick 2022-2023 | Chevy 2021-Up | GMC 2021-Up — AXAMP-GM33

Sale price $399.99 Regular price $444.99
Shipping calculated at checkout.


Key features

  • For select Buick 2022-2023 / Chevy 2021-Up / GMC 2021-Up
  • Designed for non-amplified systems
  • Provides 6 channels of 5-volt RMS audio
  • Non-fading full-range output (channels 5 and 6)
  • Input: 50W per channel
  • Amp turn-on trigger (DC): 250mA


Description

Product Overview

Add aftermarket amplifiers to a compatible factory audio system with the Axxess AXAMP-GM33, a vehicle-specific, 6-channel amplifier integration interface. It provides full-range audio outputs and an external bass knob for adjusting audio output level.

Key Features & Benefits

  • Six audio channels: Connect an aftermarket amplifier setup using the interface’s 5-volt RMS outputs.
  • Non-fading outputs: Channels 5 and 6 provide full-range output.
  • External bass knob: Adjust audio output level from the included control.
  • Chime adjustment: Set the vehicle chime level through the interface.
  • Plug-and-play design: Install behind the radio without programming.

Technical Specifications

Product Axxess AXAMP-GM33 amplifier integration interface
Vehicle fitment Buick 2022-2023; Chevy 2021-Up; GMC 2021-Up
System type Designed for non-amplified systems
Audio output 6 channels of 5-volt RMS audio
Full-range output Non-fading; channels 5 and 6
Input 50W per channel
Amp turn-on trigger DC: 250mA
S/PDIF output 2-channel; front
Installation Plug-n-play behind the radio
Programming No programming required
Indicator Dual-colored LED feedback light
Warranty 1-year limited warranty
Included Amplifier integration interface, extension harnesses, vehicle-specific t-harness, bass knob, resistor pad, instruction sheet

Why Choose This Product?

The AXAMP-GM33 is designed to integrate aftermarket amplification with OEM source units in non-amplified systems. Its six-channel output and front 2-channel S/PDIF output offer connection options for an upgraded audio setup, while the external knob adds an accessible level adjustment.

Installation & Compatibility Notes

This interface is listed for Buick 2022-2023, Chevy 2021-Up, and GMC 2021-Up non-amplified systems. Installation is behind the radio using the included vehicle-specific t-harness and extension harnesses. Confirm your vehicle and factory audio system match these fitment details before installation.

Frequently Asked Questions

Does the AXAMP-GM33 work with factory-amplified systems?

It is designed for non-amplified systems.

How many audio channels does it provide?

It provides six channels of 5-volt RMS audio. Channels 5 and 6 have non-fading full-range output.

Does installation require programming?

No. The interface is designed for plug-and-play installation behind the radio.

Is a bass knob included?

Yes. The package includes a bass knob for additional audio output level adjustments.

What comes in the package?

It includes the interface, extension harnesses, vehicle-specific t-harness, bass knob, resistor pad, and instruction sheet.

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