Buick 2022-2023 | Chevy 2021-Up | GMC 2021-Up — AXAMP-GM33
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
Buick 2022-2023 | Chevy 2021-Up | GMC 2021-Up — AXAMP-GM33 is backordered and will ship as soon as it is back in stock.
Description
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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