3. Alpine car radios & speakers
  5. DP2-45-B

DP2-45-B

1 review

50 Watt

DP2-45-B

1 review

Technical Highlights

  • 50 W RMS power, max. 100 W, for powerful sound reproduction.
  • Hybrid carbon-fiber cloth diaphragm minimizes distortion, delivers precise bass.
  • H.A.M.R. surround for greater cone excursion, powerful bass.
  • More technical details
€240.08
-14% €279.00 €240.08
2% discount with credit card

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ProductDP2-45-B

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Warranty terms
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€240.08
€279.00 €240.08

The Alpine DP2-45-B is a 2-way coaxial speaker for BMW vehicles with a 12 cm (4.5 inch) woofer. The technical foundation consists of a hybrid carbon fiber membrane combined with the Alpine H.A.M.R. surround. The system achieves a power output of 50 watts RMS and a maximum load capacity of 100 watts. The frequency range is specified from 90 Hz to 20 kHz. Integration is done via a plug-and-play interface for BMW vehicles. The membrane material is made of a stable and lightweight hybrid carbon fiber.

Features
  • BMW Coaxial Speaker
  • 2-way coaxial speaker
  • Hybrid carbon fiber membrane
  • High Amplitude Multi-Roll surround
  • Plug-and-play for BMW vehicles
  • Woofer: 120 mm (4.5 inches)
  • Frequency range: 90 Hz - 20 kHz
  • Power: 50 watts RMS
  • Power: 100 watts Max

Frequently Asked Questions about DP2-45-B

What is the hybrid carbon fiber membrane and what advantages does it offer in the DP2-45-B speaker?

The hybrid carbon fiber membrane in the Alpine DP2-45-B consists of a combination of carbon fibers and traditional membrane materials, ensuring extreme stability at a low weight. This design allows for precise membrane speed, minimizing distortion. As a result, you achieve natural and detailed midrange reproduction as well as powerful bass extension. The lower mass of the membrane improves responsiveness to rapid signal changes, significantly enhancing the sound quality of the DP2-45-B. Additionally, the hybrid carbon fiber contributes to better heat dissipation, increasing the performance capacity and longevity of the woofer.

How does the Alpine H.A.M.R. surround affect the sound quality and bass extension of the DP2-45-B?

The exclusive Alpine H.A.M.R. surround in the DP2-45-B (High Amplitude Multi-Roll) allows for greater maximum and linear membrane displacement, contributing to a more powerful sound. This special surround ensures that control over the membrane is maintained at every displacement level, which is crucial for intense bass reproduction. This gives you deep, rich bass while simultaneously providing precise sound reproduction without distortion. The H.A.M.R. surround supports the efficient movement of the membrane, allowing the DP2-45-B to deliver impressive bass extension and clear, uncolored sound quality.

What technical specifications regarding power and frequency response does the Alpine DP2-45-B offer?

The Alpine DP2-45-B offers a frequency response of 90 Hz to 20 kHz, covering a wide range of sounds and enabling detailed reproduction. With an RMS power of 50 W/RMS and a maximum power of 100 W, the DP2-45-B can provide stable performance for both constant and peak audio signals. These power parameters ensure that you achieve a powerful and dynamic sound presentation that reproduces both deep bass and clear highs without distortion. The performance of the DP2-45-B makes it ideal for discerning audiophiles who expect high sound quality in their BMW vehicle.

How is the installation of the DP2-45-B in BMW vehicles done using Plug-and-Play?

The installation of the Alpine DP2-45-B in BMW vehicles is straightforward thanks to the Plug-and-Play feature. You do not need any additional adapters or wiring, as the speaker is specifically designed for seamless integration into BMW models. With precise dimensions and compatible connections, the DP2-45-B is directly installed into the existing speaker locations without extensive modifications to the vehicle. This allows for a quick and efficient installation, enabling you to enjoy the high-quality sound of the DP2-45-B immediately after installation. Ideal if you are looking for a top-notch audio solution without complicated installation processes.

What are the dimensions and placement options of the Alpine DP2-45-B for integration into various BMW models?

The Alpine DP2-45-B is equipped with a 12 cm (4.5-inch) woofer that is specifically designed for placement in the existing speaker openings of BMW vehicles. The compact dimensions ensure that the speaker can be easily integrated into the standardized speaker locations without compromising the interior of your BMW. Additionally, the 2-way coaxial design allows for flexible placement in both the doors and the dashboard area, depending on the specific BMW model. This adaptability gives you the option to install the DP2-45-B in various BMW models without compromising on sound quality or the aesthetics of the vehicle.

How does the 12 cm (4.5 inch) woofer contribute to the sound reproduction in the DP2-45-B?

The 12 cm (4.5 inch) woofer in the Alpine DP2-45-B enables deeper and more precise bass reproduction by moving larger volumes of air while maintaining quick responsiveness. This size offers a balanced combination of compactness and performance, allowing the woofer to produce powerful bass without distortion. The combination of the hybrid carbon fiber membrane and the H.A.M.R. surround ensures that the woofer remains stable even at high excursions, enhancing the overall sound fidelity of the DP2-45-B. This results in dynamic and detailed sound reproduction that presents both low and mid frequencies clearly and powerfully.

What membrane speed and distortion characteristics does the Alpine DP2-45-B have thanks to the hybrid carbon fiber membrane?

The hybrid carbon fiber membrane of the Alpine DP2-45-B enables an extremely high membrane speed, resulting in precise and rapid response to audio signals. This effectively reduces distortion, even at high volumes, ensuring clear and uncolored sound reproduction. The combination of carbon fiber and conventional membrane material ensures that the membrane remains both lightweight and robust, thereby expanding the dynamic range of the speaker. These characteristics allow you to experience a detailed and natural sound quality, where every nuance of the music is reproduced clearly and precisely, without sound fidelity being compromised by mechanical distortions.

What compatibility does the Alpine DP2-45-B offer with common BMW models regarding dimensions and connection types?

The Alpine DP2-45-B is specifically designed for integration into BMW vehicles, ensuring an optimal fit in most common BMW models. The precise dimensions of the 12 cm woofer and the custom connectors ensure that the speaker fits seamlessly into the existing speaker openings. This means you can install the DP2-45-B in various BMW models such as the 3 Series, 5 Series, or X Series without issues related to size or connection options. The plug-and-play feature also ensures electrical compatibility, simplifying installation and allowing immediate use of the high-quality sound.

How does the exclusive H.A.M.R. surround ensure that the membrane control in the DP2-45-B remains consistent across different displacement levels?

The exclusive Alpine H.A.M.R. surround in the DP2-45-B (High Amplitude Multi-Roll) is specifically designed to ensure consistent control over the diaphragm at different displacement levels. The innovative design maintains linear control at every stage of diaphragm displacement, preventing the diaphragm from becoming uncontrolled at high amplitudes. This ensures that the speaker remains precise and clear even during intense bass sections, without distortion or interference. The H.A.M.R. surround thus supports the stability and linearity of diaphragm movement in the DP2-45-B, ensuring consistently high sound quality across all displacement ranges.

What specific technical features of the DP2-45-B ensure precise midrange reproduction?

The Alpine DP2-45-B is equipped with a hybrid carbon fiber diaphragm that enables precise and fast midrange reproduction. This diaphragm combines the lightweight and high stability of carbon fibers with traditional materials, ensuring accurate transmission of midrange frequencies without distortion. Additionally, the 2-way coaxial configuration helps to optimally separate the midrange from the woofers, resulting in a clear and detailed sound representation. The H.A.M.R. surround further supports linear diaphragm movement, enhancing the clarity and precision of midrange frequencies. These technical features ensure that the DP2-45-B provides a balanced and natural midrange reproduction that is both subtle and powerful.

How does the plug-and-play function of the Alpine DP2-45-B work for BMW vehicles?

The plug-and-play function of the Alpine DP2-45-B allows for easy and quick installation in BMW vehicles, without the need for complex adjustments or additional wiring. The speaker is specifically designed for the electrical and mechanical standards of BMW, allowing it to be directly integrated into the existing speaker connections. This means you can simply connect the DP2-45-B and start using it immediately, without additional adapters or technical knowledge. This function significantly reduces installation effort and ensures that you can enjoy the high-quality sound of the DP2-45-B without delays or complications.

Manufacturer information/responsible person

ALPS ALPINE EUROPE GmbH

Ohmstrasse 4

85716, Unterschleissheim

support.eu@alpsalpine.com

https://www.alpsalpine.com/

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