1. Audio Amplifiers for In-Car Entertainment Offers
  2. sku: 7349594305013813
  3. GM 84778154

GENUINE GM PARTS 84778154 Audio Amplifier 193468582703

84778154 Genuine Gm Parts Audio Amplifier

( Brand: Genuine Gm Parts ), ( Manufacturer Part Number: 84778154 ), ( Warranty: 1 Year ), ( Type: Audio Amplifier ), ( UPC: 193468582703 )

Review GENUINE GM PARTS Audio Amplifier

The GM Part Number 84778154 is a versatile audio amplifier designed to deliver high-quality sound in various automotive applications. This amplifier is engineered to meet the rigorous standards of General Motors, ensuring optimal performance and reliability.

This class AB amplifier is capable of delivering a maximum power output of 75 watts per channel at 4 ohms and 100 watts per channel at 2 ohms. It is designed to drive a wide range of speaker sizes and impedances, making it a flexible solution for various automotive audio systems.

The GM 84778154 amplifier features a low-pass filter with a cutoff frequency of 120 Hz, which helps to smooth out the bass response and reduce distortion. It also includes a built-in thermal protection circuit, which automatically shuts off the amplifier when it overheats to prevent damage.

The amplifier's compact size and sleek design make it a great fit for installation in tight spaces. It measures 10.4 inches long, 6.3 inches wide, and 2.3 inches high, and its black powder-coated finish blends seamlessly with the interior of most vehicles.

Installation is made easy with the included wiring harness and mounting hardware. The amplifier's RCA inputs and speaker-level inputs allow for flexibility in connecting various audio sources, while the high-level inputs make it easy to integrate with factory stereo systems.

The GM 84778154 audio amplifier is built to withstand the harsh conditions of automotive use. It is designed to be resistant to vibration, moisture, and temperature extremes, ensuring reliable performance even in the most demanding environments.

Overall, the GM Part Number 84778154 is a high-performance audio amplifier that delivers clear, powerful sound for automotive applications. Its versatile features, rugged design, and easy installation make it an excellent choice for upgrading factory audio systems or building custom audio systems for cars, trucks, and SUVs.

The GM part number 84778154 refers to a specific audio amplifier produced by GM. Here are some potential pros and cons of buying this amplifier: Pros:

1. Designed for specific compatibility with GM vehicles, ensuring a seamless integration into the existing audio system.

2. Delivers a decent power output of 45 watts RMS x 4 channels, which is sufficient for most factory-installed speakers.

3. Relatively affordable compared to high-end aftermarket amplifiers.

4. Easy to install as it is designed to fit in the existing space in the vehicle.

Cons:

1. May not provide the sound quality and power output of high-end aftermarket amplifiers.

2. Limited features compared to aftermarket amplifiers, such as no built-in equalizers or crossovers.

3. May not be compatible with non-GM vehicles or aftermarket stereo systems.

Conclusion:

The GM 84778154 audio amplifier is a reliable and affordable option for those looking to upgrade their factory audio system in a GM vehicle. Its specific compatibility with GM vehicles and ease of installation make it an attractive choice for many. However, it may not provide the same sound quality and features as high-end aftermarket amplifiers. Ultimately, the decision to buy this amplifier depends on your budget, audio system requirements, and compatibility with your vehicle.

Recommendation:

If you are looking for a simple and affordable upgrade to your factory audio system in a GM vehicle, the GM 84778154 audio amplifier is a good choice. However, if you are an audiophile and looking for high-end sound quality and features, you may want to consider investing in a high-end aftermarket amplifier with more advanced features.

Details:

See below for instructions. High-value items are usually sent with signature-delivery requirements. Just Didn't Like it. Changed My Mind.

If you do, our experts will hand-verify compatibility before shipping. Add details like Tried to install this part, and it didn't fit. Request a Return. Found a Better Price. This part fits vehicles made in the following years 2020.

84778154: Genuine GM Parts: Audio Amplifier.

part #: 84778154 prices

  • $507.98-$512.23

specifications ampsguru:

  • brand: Genuine Gm Parts
  • mpn: 84778154
  • warranty: 1 Year
  • type: Audio Amplifier
  • upc: 193468582703

shipping ampsguru:

  • class: Standard
  • cost: $0.00
  • transit: 18-28 Days
  • service: Standard
  • type: Fixed

returns ampsguru:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

seller ampsguru:

  • city: Garland, Texas
  • # reviews: 19122
  • rating: 99.2%

payments ampsguru:

  • credit card: Visa
  • wallet: Google-pay
  • other

offer ampsguru:

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

general ampsguru:

  • In-Car Technology, GPS Security > In-Car Entertainment > Amplifiers
  • condition: New
warranty: 1 year, type: audio amplifier,
category: auto parts > in-car technology, gps security > in-car entertainment > amplifiers, sku: 7349594305013813,

Genuine Gm Parts 84778154 Is Similar To:

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2 offers $507.98–$512.23 USD
  • Offer #1: $512.23 price + $0.00 shipping estimate = $512.23* total. This part fits vehicles made in the following years 2020.FREE SHIPPING
  • Offer #2: $507.98 price + $0.00 shipping estimate = $507.98* total. Doesn't Fit. Just Didn't Like it.FREE SHIPPING

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