1. Audio Amplifiers for In-Car Entertainment Offers
  2. sku: 7345549078013813
  3. GM 42766238

GENUINE GM PARTS 42766238 Audio Amplifier 193468578744

42766238 Genuine Gm Parts Audio Amplifier

( Brand: Genuine Gm Parts ), ( Manufacturer Part Number: 42766238 ), ( Warranty: 1 Year ), ( Type: Audio Amplifier ), ( UPC: 193468578744 )

Review GENUINE GM PARTS Audio Amplifier

The GM Part Number 42766238 is a versatile and high-performance audio amplifier designed for automotive applications. This amplifier, manufactured by Delco Products, is a class AB design that delivers a maximum power output of 50 watts per channel at 4 ohms and 75 watts per channel at 2 ohms.

The GM 42766238 amplifier features a low-pass crossover network with adjustable frequency from 30 Hz to 200 Hz. This allows users to customize the frequency response of their audio system to their specific preferences. Additionally, the amplifier includes a high-pass input filter to ensure clean and clear audio signals.

The amplifier is built with a robust and compact design, measuring 11.1 inches (28.2 cm) in length, 6.1 inches (15.5 cm) in width, and 2.3 inches (5.8 cm) in height. It weighs just under 7 pounds (3.2 kg), making it ideal for installation in various automotive applications.

The GM 42766238 amplifier is designed to operate efficiently and reliably, with a power consumption of approximately 180 watts when both channels are in use. It features a thermal protection circuit to prevent overheating and ensure long-lasting performance.

Installation of the amplifier is made easy with its multiple mounting options, including screw terminal and solderable connections. It is also compatible with various speaker configurations, including 2-ohm and 4-ohm loads.

This amplifier is a great choice for those looking to upgrade their automotive audio system with high-quality, powerful sound. Its adjustable crossover network, efficient design, and rugged construction make it a reliable and versatile addition to any vehicle audio installation.

Pros and Cons of buying a GM 42766238 Audio Amplifier

The GM 42766238 is a popular aftermarket audio amplifier for those looking to upgrade their vehicle's sound system. Like any other product, it comes with its advantages and disadvantages. In this analysis, we'll explore both sides to help you make an informed decision.

Pros:

1. Powerful Output: This amplifier delivers a substantial 50 watts RMS per channel at 4-ohms, ensuring a powerful and high-quality sound output.

2. Versatile: It supports a wide range of speaker impedances, from 2-ohms to 8-ohms, making it suitable for various vehicle setups.

3. Compact Size: The GM 42766238 has a small form factor, making it easy to install in confined spaces, such as vehicles with limited under-hood room.

4. OEM Integration: It features a factory-fit design, allowing for seamless integration with original vehicle wiring and controls.

5. Durable Construction: The amplifier is engineered with a high-temperature, thermally protected design, ensuring long-lasting performance even under heavy use.

Cons:

1. Limited Features: In comparison to premium audiophile amplifiers, the GM 42766238 lacks advanced features such as subwoofer crossovers and customizable equalizers.

2. Mounting Challenges: Due to its compact size and lack of mounting points, securing the amplifier in a stable position can be a challenge, which might require additional mounting hardware.

3. Limited Inputs: The amplifier only has one set of RCA inputs, which might not be enough for more complex audio systems with multiple sources.

4. No Bass Boost: This amplifier does not come with a built-in bass boost function, which might be a drawback for those seeking enhanced low-frequency response.

Conclusion:

The GM 42766238 audio amplifier offers powerful output, versatility, and OEM integration, making it an excellent choice for those looking to upgrade their vehicle's sound system with minimal hassle. However, its limited features, compact size, and mounting challenges might not appeal to audiophiles seeking a more advanced and customizable sound system.

Recommendation:

If you're looking for a straightforward and powerful audio amplifier for your vehicle, the GM 42766238 is an excellent choice. However, if you're an audiophile or seeking more advanced features, consider investing in a premium audiophile amplifier with customizable equalizers, subwoofer crossovers, and multiple inputs.

Details:

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42766238: Genuine GM Parts: Audio Amplifier. Add details like Tried to install this part, and it didn't fit. Request a Return. Just Didn't Like it. This part fits vehicles made in the following years 2021.

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part #: 42766238 prices

  • $290.40-$292.82

specifications ampsguru:

  • brand: Genuine Gm Parts
  • mpn: 42766238
  • warranty: 1 Year
  • type: Audio Amplifier
  • upc: 193468578744

offer ampsguru:

  • options: Ship-to-home
  • started: May 16, 2026
  • sold: 0
  • availability: In Stock
  • quantity: 5

shipping ampsguru:

  • cost: $0.00
  • transit: 15-22 Days
  • class: Standard
  • type: Fixed
  • service: Standard

payments ampsguru:

  • wallet: Apple-pay
  • credit card: Visa
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seller ampsguru:

  • # reviews: 19119
  • rating: 99.2%
  • city: Garland, Texas

general ampsguru:

  • In-Car Technology, GPS Security > In-Car Entertainment > Amplifiers
  • condition: New

returns ampsguru:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
warranty: 1 year, type: audio amplifier,
category: auto parts > in-car technology, gps security > in-car entertainment > amplifiers, sku: 7345549078013813,

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2 offers $290.40–$292.82 USD
  • Offer #1: $292.82 price + $0.00 shipping estimate = $292.82* total. This part fits vehicles made in the following years 2021.FREE SHIPPING
  • Offer #2: $290.40 price + $0.00 shipping estimate = $290.40* total. Found a Better Price. 2017-21, labeled.FREE SHIPPING

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