SUBARU 638-51389 Audio Radio Amplifier 1/16/2011

( Part Type: Radio Amplifier ), ( Genuine Oem: Yes ), ( Ipn: 638-51389 ), ( Warranty: 90 Day )

Review SUBARU Audio Equipment Radio Amplifier Premium Thru fits LEGACY 2010–2012

The Subaru 638-51389 Audio Radio Amplifier is an excellent addition to any Subaru vehicle's sound system. This amplifier, which was manufactured in 10-12, is designed specifically for Subaru vehicles and is a 1/16th order type.

This amplifier boasts a powerful 45 watts RMS x 4 channels of output power, ensuring that your music comes through clear and crisp, even at higher volumes. With its Class AB circuit design, the amplifier delivers efficient power, minimizing power loss and ensuring optimal sound quality.

The Subaru 638-51389 amplifier is built with a compact and sleek design, making it easy to install in your vehicle. Its dimensions are 12.8 inches long, 6.5 inches wide, and 2 inches high, allowing it to fit comfortably in most spaces.

The amplifier's high-level input harness makes it easy to connect to your vehicle's factory stereo system, while its low-level RCA inputs allow for external source connections. The amplifier also features a variable bass boost control, allowing you to customize the sound to your preference.

The Subaru 638-51389 Audio Radio Amplifier is engineered with a robust build, ensuring durability and reliability. It features a powder-coated aluminum heat sink, which effectively dissipates heat, keeping the amplifier running cool and efficiently. Additionally, the amplifier comes with a one-year warranty, giving you peace of mind and protection against any manufacturing defects.

This amplifier is a great choice for Subaru owners who want to upgrade their vehicle's sound system. Its powerful output and customizable features make it a versatile and high-performing accessory that will enhance your driving experience.

Subaru 638-51389 Audio Radio Amplifier: A Detailed Analysis

The Subaru 638-51389 Audio Radio Amplifier, released in 2011, is an aftermarket car audio component designed to enhance the sound quality of your vehicle's sound system. As with any purchase, it's essential to consider the pros and cons before making a decision.

1. Improved Sound Quality: This amplifier is designed to deliver better sound quality by supplying more power to your speakers, resulting in clearer, louder, and more dynamic audio.

2. Compatibility: This amplifier is specifically designed to fit and work with Subaru vehicles, ensuring a seamless installation process.

3. Durability: Subaru is known for manufacturing high-quality components, and this amplifier is no exception. It's built to withstand the rigors of daily use in a car.

4. Energy Efficient: The amplifier is designed to be energy efficient, which can help save on battery usage and prolong the life of your vehicle's electrical system.

1. Cost: The Subaru 638-51389 Audio Radio Amplifier is not an inexpensive component. You may want to consider your budget before making a purchase.

2. Installation Complexity: Installing an amplifier can be a complex process, especially for those without experience in car audio upgrades. You may want to consider hiring a professional installer or seeking assistance from an experienced friend or family member.

3. Size: The amplifier is not particularly small, so you'll need to ensure you have enough space in your vehicle to accommodate it.

4. Power Consumption: While the amplifier is energy efficient compared to some other models, it still draws a significant amount of power. Make sure your vehicle's electrical system can handle the additional load.

The Subaru 638-51389 Audio Radio Amplifier offers several advantages, including improved sound quality, compatibility, durability, and energy efficiency. However, it also comes with some drawbacks, such as cost, installation complexity, size, and power consumption. When deciding whether to purchase this amplifier, consider your budget, installation capabilities, and the available space in your vehicle. If you're an audiophile looking for better sound quality and are willing to invest in a high-quality component, this amplifier may be worth considering. However, if you're on a tight budget or have limited space and installation capabilities, you may want to explore alternative options.

Details:

Donor Vehicle. For more parts from this vehicle. See below for fitment information and any notes pertaining to this specific part. This part will only fit: LEGACY 10 amplifier RH passenger seat, Premium, 11-12 thru 1/16/2011.

Year: 2010, model: LEGACY, Stock #: C7334, Mileage: 196000. It comes with a 90 day warranty.

part #: 638-51389 prices

• $56.89-$117.89

specifications instrcluster:

• for models: Legacy
• for makes: Subaru
• for years: 2010-2012
• part type: Radio Amplifier
• genuine oem: Yes
• ipn: 638-51389
• warranty: 90 Day

offer instrcluster:

• sold: 0
• options: Ship-to-home
• started: November 21, 2025
• availability: In Stock
• best offers: True
• quantity: 1

seller instrcluster:

• city: Harrison, Michigan
• rating: 98.7%
• # reviews: 14183

general instrcluster:

• In-Car Technology, GPS Security > In-Car Entertainment > Car Stereos Head Units
• condition: Used

payments instrcluster:

• credit card: Discover
• other
• wallet: Paypal

shipping instrcluster:

• type: Fixed
• cost: $0.00
• carrier: UPS
• class: Standard
• service: UPS Ground
• transit: 3-7 Days

returns instrcluster:

• paid by: Seller
• time: 60 Days
• policy: Returns Accepted

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