1. Audio Amplifiers for In-Car Entertainment Offers
  2. sku: 5491802653822751
  3. RADIO 638-50689-NOA

1 FACTORY RADIO 638-50689-NOA Harman Kardon Amplifier 3-SERIES M3/325I/330I

fits model: E46, M3, 325i, 330i. make: Bmw. year: 2001–2006.

638-50689-noa 1 Factory Radio Bmw E46 3-series M3/325i/330i 2001-2006 Harman Kardon Amplifier

( Brand: 1 Factory Radio ), ( Manufacturer Part Number: 638-50689-NOA ), ( Part Type: Amplifier ), ( Color: Black ), ( Features: Hifi ), ( Sub Type: Audio Amplifier ), ( Plg Pt Name: Motors Part ), ( Country/region Of Manufacture: Germany ), ( Notes: Description--amplifier )

Review 1 FACTORY RADIO Bmw 3-series M3/325i/330i Harman Kardon Amplifier fits E46 M3 325I 330I 2001–2006

Introducing the Harman Kardon 638-50689 amplifier, a high-performance audio solution specifically designed for BMW E46 3-Series models from 2001 to 2006, including the M3, 325i, and 330i. This sophisticated amplifier is an excellent upgrade for BMW owners seeking to elevate their in-car listening experience.

The 638-50689 amplifier boasts a powerful output of 50 watts RMS per channel x 4, ensuring that all speakers in your BMW's sound system receive the necessary power to produce clear, rich, and balanced sound. Harman Kardon's advanced Class D amplifier technology not only delivers impressive audio performance but also maintains a compact and efficient design.

This amplifier is meticulously engineered to seamlessly integrate with your BMW's factory audio system. It comes with a plug-and-play wiring harness, making installation straightforward and hassle-free. Moreover, it retains the factory steering wheel audio controls, ensuring a convenient and familiar user experience.

Harman Kardon is renowned for its commitment to superior sound quality, and the 638-50689 amplifier is no exception. It features a high-level input that allows for direct connection to the BMW's factory amplifier, preserving the original sound processing and enhancing the overall system's performance.

The amplifier's sleek and elegant design complements the interior of your BMW. Its black powder-coated finish not only looks stylish but also resists corrosion and wear, ensuring long-lasting durability. Additionally, its compact size makes it an ideal fit for the space constraints of most vehicles.

Investing in the Harman Kardon 638-50689 amplifier is an investment in your driving pleasure. This premium audio upgrade delivers enhanced sound quality, easy installation, and a flawless integration with your BMW's factory system. Upgrade your BMW's sound system today and transform your daily commute into an exhilarating sonic journey.

Harman Kardon Amplifier for BMW E46 3-Series (2001-2006): Pros, Cons, and Conclusion

The Harman Kardon amplifier is a popular aftermarket upgrade for BMW E46 3-Series models (M3, 325i, and 330i) produced between 2001 and 2006. This amplifier promises enhanced sound quality and performance. In this analysis, we will discuss the pros, cons, and conclude with a recommendation.

Pros:

1. Superior Sound Quality: The Harman Kardon amplifier delivers high-fidelity sound with clear and detailed audio, making music and conversations more enjoyable.

2. Powerful Output: With an impressive power output, this amplifier can power larger speakers and handle various music genres, ensuring a rich and powerful audio experience.

3. OEM Integration: This amplifier is designed specifically for the BMW E46 platform, ensuring seamless integration with the factory audio system and retaining the convenience of steering wheel controls.

4. Premium Build Quality: Harman Kardon is known for its premium build quality and sleek designs, making this amplifier a great aesthetic addition to your vehicle.

5. Energy Efficiency: The Harman Kardon amplifier is energy-efficient, reducing power consumption and saving you money on electricity bills.

Cons:

1. Cost: The Harman Kardon amplifier is a premium product and can be quite expensive compared to other aftermarket amplifiers.

2. Complex Installation: Installing the Harman Kardon amplifier may require professional assistance due to the intricacy of the BMW E46's factory wiring and the need for precise calibration.

3. Size: The amplifier may be larger than some aftermarket alternatives, potentially requiring additional space in the vehicle or custom mounting solutions.

Conclusion:

The Harman Kardon amplifier offers superior sound quality, powerful output, OEM integration, premium build quality, and energy efficiency. However, it comes with a higher cost, complex installation, and larger size compared to some alternatives.

If you value high-quality sound and are willing to invest in a premium aftermarket upgrade, the Harman Kardon amplifier is an excellent choice for your BMW E46 3-Series. Nevertheless, if budget and installation complexity are concerns, you may consider alternative amplifiers that cater to your specific needs.

Recommendation:

For those seeking the best possible audio experience for their BMW E46 3-Series, the Harman Kardon amplifier is a worthy investment. However, if you are budget-conscious or prefer a simpler installation process, you may explore other aftermarket amplifier options that better suit your requirements.

Details:

Manufactured by 1 Factory Radio, this amplifier is compatible with various BMW model's and a crucial component for enhancing the audio performance of your vehicle. The BMW E46 3-Series M3/325I/330I 2001 2006 Harman Kardon Radio Amplifier is a high-quality audio amplifier designed specifically for in-car entertainment systems.

part #: 63850689 prices

  • $79.08-$179.70

specifications ampsguru:

  • for models: E46, M3, 325i, 330i
  • for makes: Bmw
  • for years: 2001-2006
  • brand: 1 Factory Radio
  • mpn: 638-50689-noa
  • part type: Amplifier
  • color: Black
  • features: Hifi
  • sub type: Audio Amplifier
  • plg pt name: Motors Part
  • country/region of manufacture: Germany
  • notes: Description--amplifier

seller ampsguru:

  • city: Pocatello, Idaho
  • # reviews: 0
  • rating: 0.0%

returns ampsguru:

  • policy: No Returns

payments ampsguru:

  • wallet: Apple-pay
  • credit card: Diners-club
  • other

general ampsguru:

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

shipping ampsguru:

  • cost: $9.05
  • service: USPS Ground Advantage
  • carrier: USPS
  • class: Standard
  • transit: 4-10 Days
  • type: Calculated

offer ampsguru:

  • quantity: 1
  • sold: 0
  • availability: In Stock
  • started: August 9, 2025
  • options: Ship-to-home
for models: e46, m3, 325i, 330i, for makes: bmw, for years: 2001-2006, part type: amplifier, features: hifi, sub type: audio amplifier, plg pt name: motors part, country/region of manufacture: germany, notes: description--amplifier,
category: auto parts > in-car technology, gps security > in-car entertainment > amplifiers, color: black, sku: 5491802653822751,

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  • Offer #1: $132.00 price + $0.00 shipping estimate = $132.00* total.FREE SHIPPING
  • Offer #2: $179.70 price + $30.61 shipping estimate = $210.31* total. RADIO, OFF AND READY TO GO! Body parts are sold as is.+$30.61 shipping
  • Offer #3: $79.08 price + $27.38 shipping estimate = $106.46* total. Body parts are sold as is.+$27.38 shipping
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