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  3. GM 85005402

GM 85005402 Amplifier

85005402 Gm Genuine Amplifier

( Brand: Gm ), ( Manufacturer Part Number: 85005402 ), ( Part Type: Amplifier ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Parts Included: Only Part Reference 5 On The Diagram Is Included )

Review GM Genuine Amplifier

The GM 85005402 amplifier is a high-performance aftermarket replacement option designed to enhance the audio system in select GM vehicles. This amplifier is specifically engineered to fit and function optimally in vehicles equipped with the original factory system, providing an upgrade in sound quality and power.

The GM 85005402 amplifier boasts a powerful 50 watts RMS x 4 channels of output power, making it an excellent choice for those seeking a noticeable improvement in their vehicle's audio performance. With a frequency response range of 20Hz-20kHz, this amplifier covers the entire audible spectrum, ensuring a rich and detailed sound experience.

The amplifier's sleek, compact design allows for easy installation in your vehicle. It measures 12.7 inches (W) x 6.2 inches (H) x 2.2 inches (D) and weighs just over 7 pounds, making it a space-saving solution for enhancing your vehicle's audio system.

The GM 85005402 amplifier features a high-efficiency Class AB circuit design, which delivers impressive power while maintaining excellent thermal management. This ensures the amplifier stays cool under heavy usage, preventing potential performance issues.

Additionally, this amplifier is engineered to comply with the strict OEM standards set by GM, ensuring a seamless integration with your vehicle's factory audio system. With a low-pass filter built-in, you can easily connect it to your subwoofer for an enhanced bass response.

The GM 85005402 amplifier's robust construction is built to withstand the rigors of daily use in a vehicle environment. It features a powder-coated aluminum chassis, which not only looks great but also helps dissipate heat for optimal performance.

In summary, the GM 85005402 amplifier is a powerful and efficient solution for upgrading the audio system in your GM vehicle. With its high power output, wide frequency response range, and easy installation, this amplifier is sure to provide a noticeable improvement in sound quality and overall listening experience.

Pros and Cons of buying a GM 85005402 Amplifier

The GM 85005402 amplifier is a popular aftermarket option for those seeking to upgrade their vehicle's audio system. Like any other product, it comes with its advantages and disadvantages. In this analysis, we will discuss the key features, pros, cons, and a concluding recommendation.

**Product Description:**

The GM 85005402 is a 4-channel, Class D car amplifier with a power output of 50 watts RMS per channel at 4 ohms and 75 watts RMS per channel at 2 ohms. It features a low-pass filter, a bass boost, and a subsonic filter.

**Pros:**

1. Affordable: Compared to other amplifiers in the market, the GM 85005402 is relatively inexpensive.

2. Compact Size: Its dimensions (13.4 inches by 2 inches by 6.7 inches) make it ideal for installations with limited space.

3. Power Output: The amplifier delivers sufficient power to drive midrange and tweeter speakers and a subwoofer.

4. Adjustable Bass Boost: Users can customize the bass response to their preferences.

5. Easy Installation: The amplifier comes with a wiring harness for simple installation.

**Cons:**

1. Limited Power: The amplifier may not be powerful enough for high-end systems or large subwoofers.

2. High Pass Filter is Not Adjustable: Some users prefer to adjust the high pass filter for their specific speaker setup.

3. No Remote Subwoofer Control: This amplifier does not have a remote subwoofer level control.

4. Limited Warranty: The GM 85005402 comes with a limited one-year warranty.

5. Heat Dissipation: Due to its compact size, the amplifier may run hot under heavy use, requiring proper ventilation.

**Conclusion:**

The GM 85005402 amplifier offers a balance of affordability, power, and features suitable for entry-level to mid-level car audio upgrades. While it may not deliver the most extensive customization options, its compact size, ease of installation, and adjustable bass boost make it a compelling choice for those seeking a budget-friendly amplifier.

**Recommendation:**

If you're looking for a budget-friendly amplifier to power your entry-level to mid-level car audio system, the GM 85005402 amplifier is a solid choice. However, if you require more advanced features, such as adjustable high pass filters or remote subwoofer control, you might need to consider more expensive options.

Details:

Changed My Mind. Radio antenna amplifier. Just Didn't Like it. Without digital audio system.

Found a Better Price.

part #: 85005402 price

  • $37.71

specifications bashantennas:

  • brand: Gm
  • mpn: 85005402
  • part type: Amplifier
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • parts included: Only Part Reference 5 On The Diagram Is Included

general bashantennas:

  • Car Truck Parts Accessories > Exterior Parts Accessories > Antennas
  • condition: New

seller bashantennas:

  • city: Garland, Texas
  • rating: 98.2%
  • # reviews: 24008

payments bashantennas:

offer bashantennas:

  • quantity: 4
  • started: December 14, 2025
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

shipping bashantennas:

  • class: Standard
  • transit: 5-12 Days
  • carrier: FedEx
  • type: Fixed
  • service: FedEx Ground / FedEx Home Delivery
  • cost: $0.00

returns bashantennas:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
part type: amplifier, genuine oem: yes, manufacturer warranty: 1 year, fitment type: direct replacement, parts included: only part reference 5 on the diagram is included,
category: auto parts > car truck parts accessories > exterior parts accessories > antennas, sku: 10469962591448792,

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