1. Audio Amplifiers for In-Car Entertainment Offers
  2. sku: 7338282839829604
  3. GM 84778155

GM 84778155 Amplifier

fits year: 2019–2020.

84778155 Gm Genuine F Amplifier

( Brand: Gm ), ( Manufacturer Part Number: 84778155 ), ( Part Type: Amplifier ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Cadillac ), ( Year: 2019 2020 ), ( Parts Included: Only Part Reference 13 On The Diagram Is Included ), ( Replaces Part Number: 84420227, 84504694, 84536936 )

Review GM Genuine Amplifier fits 2019–2020

GM Original Equipment 84778155 Amplifier

The GM Original Equipment 84778155 Amplifier is a high-performance audio component designed specifically for select GM vehicles. This amplifier is an original equipment replacement part, ensuring a perfect fit and seamless integration with your vehicle's existing audio system.

The 84778155 Amplifier is a Class D design, known for its efficiency and compact size. It boasts a power output of 45 watts RMS x 4 channels at 4 ohms, providing enough power to drive a system with multiple speakers or to add bass to your vehicle's audio experience. The amplifier's frequency response ranges from 20 Hz to 20 kHz, ensuring accurate and detailed sound reproduction across the entire audible spectrum.

The amplifier features a competitive thermal management system, which includes a large aluminum heat sink and a cooling fan. This design ensures that the amplifier remains cool during heavy use, preventing thermal shutdown and maintaining optimal performance.

The 84778155 Amplifier is also engineered to be easy to install. It comes with a wiring harness that connects directly to the vehicle's wiring, minimizing the need for custom wiring. The amplifier's compact size also makes it easy to install in tight spaces.

Additionally, this amplifier is built to meet or exceed GM's strict quality standards. It undergoes rigorous testing to ensure that it performs reliably and consistently in various operating conditions. The amplifier is also protected against short circuits, overcurrent, and overvoltage, providing an added layer of safety to your vehicle's audio system.

In summary, the GM Original Equipment 84778155 Amplifier is a high-performance, compact, and reliable audio component designed specifically for select GM vehicles. It provides enough power to drive a system with multiple speakers or to add bass, features a competitive thermal management system, and is easy to install. With its OEM fit and GM-certified quality, this amplifier is the perfect choice for those looking to upgrade their vehicle's audio system.

The GM part number 84778155 refers to a power amplifier, specifically designed for use in automotive applications. Here are some potential pros and cons of buying this amplifier:

Pros:

1. OEM (Original Equipment Manufacturer) compatibility: This amplifier is a direct replacement for the original amplifier in certain GM vehicles, ensuring a perfect fit and seamless integration with the vehicle's existing audio system.

2. Reliable performance: As an OEM part, this amplifier is designed to meet or exceed the performance standards of the original equipment.

3. High power output: This amplifier is capable of delivering a significant amount of power to the vehicle's speakers, resulting in improved sound quality and volume.

4. Durable construction: The amplifier is engineered to withstand the rigors of automotive use, including high temperatures and vibrations.

Cons:

1. Cost: As an OEM part, this amplifier may be more expensive than aftermarket alternatives.

2. Limited features: This amplifier may not offer the advanced features found on aftermarket amplifiers, such as variable bass boost or subwoofer control.

3. Limited upgradeability: Since this amplifier is designed to work with the specific wiring and speaker configuration of the vehicle, it may not be easily upgraded or modified to accommodate additional speakers or components.

Conclusion:

The GM 84778155 amplifier is a reliable and high-performance option for those seeking a direct replacement for their vehicle's original amplifier. Its OEM compatibility ensures a perfect fit and seamless integration, while its durable construction and high power output deliver improved sound quality. However, its higher cost and limited features and upgradeability may deter some buyers. Ultimately, the decision to purchase this amplifier depends on individual preferences, budget, and the specific requirements of the vehicle audio system.

Recommendation:

If you are looking for a reliable and high-performance amplifier that is specifically designed for your GM vehicle, the 84778155 amplifier is an excellent choice. However, if you are looking for advanced features or the ability to easily upgrade your system, you may want to consider an aftermarket amplifier. It's important to weigh the pros and cons and consider your budget and audio system requirements before making a decision.

Details:

Just Didn't Like it. Changed My Mind. Found a Better Price.

part #: 84778155 price

  • $484.49

specifications ampsguru:

  • for years: 2019-2020
  • brand: Gm
  • mpn: 84778155
  • part type: Amplifier
  • genuine oem: Yes
  • warranty: 1 Year
  • fitment type: Direct Replacement
  • make: Cadillac
  • year: 2019 2020
  • parts included: Only Part Reference 13 On The Diagram Is Included
  • replaces part number: 84420227, 84504694, 84536936

shipping ampsguru:

  • type: Fixed
  • carrier: FedEx
  • class: Standard
  • service: FedEx Ground / FedEx Home Delivery
  • cost: $0.00
  • transit: 12-18 Days

returns ampsguru:

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

payments ampsguru:

  • credit card: Mastercard
  • other
  • wallet: Paypal

general ampsguru:

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

seller ampsguru:

  • rating: 99.2%
  • city: Garland, Texas
  • # reviews: 32802

offer ampsguru:

  • options: Ship-to-home
  • sold: 0
  • started: May 15, 2026
  • availability: In Stock
  • quantity: 1
for years: 2019-2020, part type: amplifier, genuine oem: yes, warranty: 1 year, fitment type: direct replacement, year: 2019 2020, parts included: only part reference 13 on the diagram is included, replaces part number: 84420227, 84504694, 84536936,
manufacturer: cadillac, category: auto parts > in-car technology, gps security > in-car entertainment > amplifiers, sku: 7338282839829604,

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  • Offer #1: $484.49 price + $0.00 shipping estimate = $484.49* total. Doesn't Fit. Just Didn't Like it.FREE SHIPPING

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