Genuine Phoenix Gold R4CX Stereo Audio 4" Coaxial Speaker

Genuine Phoenix Gold R4CX Stereo Audio 4" Coaxial Speaker for BMW is an original component from the Speakers category, designed for the brand's factory audio systems. The coaxial design provides a coherent sound source, and the use of OEM components helps maintain proper tonal balance and compatibility with the BMW vehicle installation. This is a solution for users who want to restore the proper operation of their sound system without compromising on fitment.

Specifications and technical data

• SKU: R4CX
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: R4CX
• Category: Speakers

Technical characteristics and design

The presented speaker is a 4-inch coaxial model, in which the tweeter is integrated with the mid-woofer. This architecture promotes precise soundstage reproduction in the limited space of doors or the dashboard, which is important in factory BMW installations. The use of Phoenix Gold solutions allows for clear midrange and crisp high tones while maintaining controlled bass, suitable for stock enclosures and factory mounting points.

The diaphragm and suspension are designed for automotive conditions, taking into account temperature and humidity changes. The coaxial layout reduces phase shift phenomena between bands, which translates into a more coherent listening experience in the cabin, especially when mounted in the front or rear doors.

Purpose and application in BMW

The speaker has been developed for integration with factory BMW audio systems, where compatibility with the original installation and maintaining the acoustic parameters intended by the manufacturer are key. Thanks to the coaxial design, it is possible to use existing mounting locations without the need to interfere with upholstery or the wiring harness. This is a practical solution both when replacing a damaged speaker and when refreshing the sound system in an older vehicle.

Replacing it with this model allows for restoring proper sound dynamics, reducing distortion resulting from the use of worn-out transducers, and maintaining sound consistency between individual listening points in the cabin.

Benefits of using a coaxial speaker

Using a Genuine Phoenix Gold R4CX Stereo Audio 4" Coaxial Speaker in a BMW brings a number of tangible practical benefits:

• maintaining the factory sound character while refreshing the audio system,
• compact design facilitating installation in stock locations,
• coherent sound source thanks to the integration of transducers on one axis,
• better clarity of vocals and details compared to worn-out stock speakers,
• no need for extensive modifications to the electrical installation.

For the user, this means more comfortable listening conditions during daily vehicle operation, while maintaining the original mounting standard intended for the BMW brand.

Condition of the item and practical aspects

The offered speaker is in used condition, which is important from the point of view of optimizing service costs while maintaining an OEM component. This type of solution is particularly beneficial for vehicle repairs where the priority is compliance with factory specifications and rational management of the budget allocated for sound system service.

If you want to better understand the differences between new and used parts and consciously choose a service strategy for your car, it is worth reading our guide: New or used? A comparison of costs and quality of car parts. This will allow you to assess when choosing a used OEM speaker is technically and economically justified.

Expanding the BMW audio system

If you are planning a comprehensive repair or upgrade of the sound zone in your BMW and need other elements from the same group, such as additional transducers, tweeters, or door speakers, check the available parts in the BMW Speakers category.

Such an approach allows you to build a coherent audio system based on components matched to the interior architecture, which translates into stable acoustic parameters and predictable sound system performance in various driving conditions.