1. Audio Amplifiers for In-Car Entertainment Offers
  2. sku: 7133704029358604
  3. GM 85731785

GM 85731785 Radio Amplifier

85731785 Gm Genuine Radio Amplifier

( Brand: Gm ), ( Manufacturer Part Number: 85731785 ), ( Part Type: Radio Amplifier ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Parts Included: Only Part Reference 16 On The Diagram Is Included ), ( Replaces Part Number: 85707719 )

Review GM Genuine Radio Amplifier

The GM 85731785 Radio Amplifier is a versatile and high-performing automotive component designed to enhance your in-car radio experience. This amplifier, manufactured by General Motors, is specifically engineered to work seamlessly with factory-installed radio systems.

This Class D amplifier boasts an impressive power output of 45 watts RMS per channel at 4 ohms, ensuring clear and powerful sound delivery for your music. With its compact size, it can be easily installed in various vehicle configurations, making it an excellent choice for those looking to upgrade their audio system without taking up too much space.

The GM 85731785 Radio Amplifier features a low-pass filter with a adjustable cutoff frequency between 40Hz and 200Hz, allowing you to customize the bass response to your preference. Additionally, it includes a speaker-level input for simple installation, as well as a remote subwoofer level control for added convenience.

This amplifier is known for its reliability and robust design, featuring a high-density mounting design, a thermal protection system, and a short-circuit protection system to safeguard against potential damages. Moreover, it comes with a 1-year limited warranty from General Motors, giving you peace of mind in your purchase.

In summary, the GM 85731785 Radio Amplifier is a powerful and adaptable upgrade for your factory-installed car audio system. With its impressive power output, adjustable filter, and convenient features, it is certain to elevate your in-car listening experience.

Pros and Cons of buying a GM 85731785 Radio Amplifier

The GM 85731785 radio amplifier is a popular choice for those seeking enhanced radio performance in their vehicles. Here are some potential advantages and disadvantages to consider before making a purchase.

Pros:

1. Improved Radio Reception: This amplifier is designed to boost weak radio signals, allowing for clearer and stronger radio reception, especially in areas with poor signal strength.

2. Compatibility: The GM 85731785 radio amplifier is specifically designed for use with GM vehicles, ensuring a proper fit and reliable operation.

3. Easy Installation: The amplifier comes with a user-friendly installation kit, allowing most users to complete the installation process themselves, saving on professional installation costs.

Cons:

1. Cost: The GM 85731785 radio amplifier is priced higher than some aftermarket alternatives, which may deter some potential buyers.

2. Power Consumption: The amplifier consumes more power than the stock radio, which could potentially drain the vehicle's battery if not properly installed.

3. Potential Interference: Some users have reported experiencing interference, such as static or hissing sounds, when using the amplifier.

Conclusion:

The GM 85731785 radio amplifier offers significant improvements in radio reception for those who frequently encounter weak signals or poor reception in their GM vehicles. Its compatibility with GM vehicles and relatively easy installation process add to its appeal. However, potential drawbacks, such as the higher price point, increased power consumption, and potential interference, should be carefully considered before making a purchase.

Recommendation:

If you frequently encounter weak radio signals or have trouble with reception in your GM vehicle, the GM 85731785 radio amplifier may be a worthwhile investment to enhance your in-vehicle listening experience. Ensure proper installation to avoid potential power consumption issues and consider the cost against the benefits before making a final decision.

Details:

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

part #: 85731785 price

  • $887.06

specifications ampsguru:

  • brand: Gm
  • mpn: 85731785
  • part type: Radio Amplifier
  • genuine oem: Yes
  • warranty: 1 Year
  • fitment type: Direct Replacement
  • parts included: Only Part Reference 16 On The Diagram Is Included
  • replaces part number: 85707719

shipping ampsguru:

  • type: Fixed
  • carrier: FedEx
  • service: FedEx Ground / FedEx Home Delivery
  • cost: $0.00
  • class: Standard
  • transit: 9-15 Days

offer ampsguru:

  • started: April 13, 2026
  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • availability: In Stock

seller ampsguru:

  • rating: 99.0%
  • city: Garland, Texas
  • # reviews: 30919

payments ampsguru:

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

general ampsguru:

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

returns ampsguru:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
part type: radio amplifier, genuine oem: yes, warranty: 1 year, fitment type: direct replacement, parts included: only part reference 16 on the diagram is included, replaces part number: 85707719,
category: auto parts > in-car technology, gps security > in-car entertainment > amplifiers, sku: 7133704029358604,

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