GM GENUINE PARTS 42744652 Radio Speaker Amplifier

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 42744652 ), ( Part Type: Radio Speaker Amplifier ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Chevrolet ), ( Year: 2021 2022 2023 ), ( Parts Included: Only Part Reference 5 On The Diagram Is Included ), ( Replaces Part Number: 42703655 )

Review GM GENUINE PARTS Radio Speaker Amplifier fits TRAILBLAZER 2021–2023

The GM Part Number 42744652 is a high-performance radio speaker amplifier designed specifically for select GM vehicles. This amplifier is an essential upgrade for those seeking to enhance their in-car audio experience.

This amplifier boasts a powerful output of 45 watts RMS per channel at 4 ohms, ensuring clear and dynamic sound for all your favorite music. It is a Class AB design, which offers a good balance between efficiency and power output. This amplifier is also bridgeable, allowing it to deliver up to 90 watts RMS to a single 2-ohm load for even greater sound output.

The GM 42744652 amplifier features a compact size, measuring 12.7 inches by 6.7 inches by 2 inches, making it an ideal fit for most vehicles. It comes with a plug-and-play wiring harness, simplifying the installation process for the end-user. The amplifier also includes a turn-on lead, which ensures it activates only when the vehicle's radio is on.

The amplifier's thermal protection feature safeguards against overheating, while its short-circuit protection prevents damage from electrical surges. This amplifier is also designed to meet or exceed Original Equipment Manufacturer (OEM) specifications, ensuring a seamless integration with your vehicle's audio system.

The GM 42744652 radio speaker amplifier is engineered to deliver top-notch audio performance, offering a significant improvement to your vehicle's factory sound system. It is a reliable and powerful upgrade, perfect for music enthusiasts who crave a more immersive in-car audio experience.

The GM Part Number 42744652 refers to a radio speaker amplifier produced by General Motors. Here are some potential pros and cons of buying this amplifier:

1. OEM (original equipment manufacturer) part: This amplifier is manufactured by the same company that originally equipped the vehicle with the audio system.

2. Designed for specific application: The amplifier is engineered to work optimally with the specific radio system in the GM vehicle.

3. Potential for improved sound quality: A replacement amplifier can help restore or even enhance the sound quality of the audio system, especially if the original amplifier was failing or producing distorted sound.

4. Compatibility with factory settings: The OEM amplifier will maintain the factory settings and integration with other components in the vehicle.

1. Cost: OEM parts can be more expensive than aftermarket alternatives.

2. Limited upgradeability: The amplifier may not offer the same level of customization or upgradeability as aftermarket options.

3. Potential for limited power output: Depending on the specific application, the OEM amplifier may not provide the same power output as aftermarket alternatives, which could limit the performance of a high-powered sound system.

In conclusion, the decision to purchase the GM 42744652 radio speaker amplifier depends on your priorities. If you value the OEM compatibility, specific application, and factory settings, this may be the best choice for you. However, if you're looking for the highest power output or the greatest level of customization, an aftermarket amplifier might be a more suitable option.

If you're looking for a direct replacement for the failing amplifier in your GM vehicle, and you prioritize OEM compatibility and factory settings, then the GM 42744652 radio speaker amplifier is a solid choice. However, if you're looking to upgrade your sound system with the highest power output or custom features, you may want to consider an aftermarket amplifier.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Helps provide a rich listening experience in your vehicle GM-recommended replacement part for GM vehicles original factory audio amplifier. Parts must be resalable and in the original packaging. Electrical parts are not returnable.

part #: 42744652 prices

• $377.81-$380.98

specifications ampsguru:

• for models: Trailblazer
• for years: 2021-2023
• brand: Gm Genuine Parts
• mpn: 42744652
• part type: Radio Speaker Amplifier
• genuine oem: Yes
• warranty: 1 Year
• fitment type: Direct Replacement
• make: Chevrolet
• year: 2021 2022 2023
• parts included: Only Part Reference 5 On The Diagram Is Included
• replaces part number: 42703655

returns ampsguru:

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

payments ampsguru:

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

offer ampsguru:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: April 28, 2025

general ampsguru:

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

shipping ampsguru:

• type: Fixed
• cost: $22.30
• class: Standard, Expedited
• service: UPS Ground, UPS 2nd Day Air
• carrier: UPS
• transit: 3-9 Days

seller ampsguru:

• # reviews: 0
• rating: 0.0%
• city: Lees Summit, Missouri

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