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Alpine DP2-40-BC 10cm BMW 3 & 4 Series Coaxial Centre Speaker

SPK-ALP-DP2-40-BC
Price: £139.00 (£115.83 ex. VAT)
Improve vocal clarity, dashboard sound staging and high-frequency detail in selected BMW 3 Series, 4 Series, M3 and M4 models with the Alpine DP2-40-BC centre speaker. This single 10cm 2-way coaxial speaker combines its midrange driver and tweeter in one compact assembly for a straightforward replacement in compatible factory centre-speaker locations. BMW-specific mounting and connections support plug-and-play integration, with 50W RMS, 100W peak power handling, 4-ohm impedance and a wide 45Hz–25kHz frequency response.

Alpine Digital Precision Series

Clearer Centre-Channel Sound for Your BMW

The Alpine DP2-40-BC is a vehicle-specific 10cm coaxial centre speaker for selected BMW 3 Series, 4 Series, M3 and M4 models. Its integrated 2-way design improves vocal clarity, dashboard sound staging and high-frequency detail while retaining a discreet factory-style installation.

Single Centre Speaker 10cm Coaxial Design 50W RMS 100W Peak
10cm
4-Inch Speaker
2-Way
Coaxial Design
50W
RMS Power
100W
Peak Power

Product Overview

Upgrade the Factory BMW Centre Speaker

A centre speaker helps anchor vocals and important audio information to the middle of the dashboard. If the original speaker lacks clarity or detail, speech and music can sound weak, unfocused or disconnected from the front soundstage.

The Alpine DP2-40-BC is designed as a direct upgrade for compatible BMW centre-speaker locations. Its 10cm coaxial construction combines a midrange driver and high-frequency tweeter in one compact assembly, allowing both parts of the sound to originate from the same dashboard position.

The result is clearer vocal reproduction, improved high-frequency detail and a more stable centre image while maintaining the vehicle’s factory interior appearance.

Key Benefits

Improve Clarity Across the Dashboard

CENTRE-CHANNEL UPGRADE

Clearer Vocal Reproduction

Helps voices, music and other centre-channel information sound clearer and better defined.

COAXIAL CONSTRUCTION

Integrated 2-Way Design

The midrange driver and tweeter share one compact assembly for consistent sound from the factory centre location.

WIDE FREQUENCY RANGE

Detailed Mids and Highs

A 45Hz–25kHz response supports detailed vocal reproduction and extended high-frequency performance.

VEHICLE-SPECIFIC

BMW Plug-and-Play Fitment

Designed to use compatible BMW mounting and original speaker connections for a neat replacement installation.

Factory-Style Installation

Discreet BMW Dashboard Integration

The DP2-40-BC installs beneath the compatible original BMW centre-speaker grille. Once fitted, the upgrade remains hidden and preserves the dashboard’s factory appearance while delivering improved centre-channel performance.

Coaxial Speaker Design

Midrange and Treble from One Compact Speaker

The coaxial layout provides a practical way to reproduce a broad frequency range from the limited space available within the BMW dashboard.

10cm Midrange Driver

Reproduces vocals, instruments and important centre-channel information with improved presence and definition.

Integrated Tweeter

Adds high-frequency detail without requiring a separate tweeter mounting position or additional visible components.

4-Ohm Impedance

Designed for suitable BMW factory or upgraded audio systems using a compatible centre-speaker channel.

100W Peak Handling

Provides suitable headroom for dynamic centre-channel reproduction when correctly powered and configured.

Check Your Vehicle

BMW Compatibility

Listed for compatible centre-speaker locations in the following BMW models:

BMW Series Model Body Style Production Dates
3 Series G20 Saloon November 2018–August 2024
3 Series G21 Touring July 2019–July 2024
M3 G80 Saloon November 2020–July 2024
M3 G81 Touring November 2022–July 2024
4 Series G22 Coupé July 2020–March 2024
4 Series G23 Convertible November 2020–March 2024
4 Series G26 Gran Coupé July 2021–July 2024
M4 G82 Coupé November 2020–July 2024
M4 G83 Convertible July 2021–March 2024

Please Note

  • This product contains one centre speaker, not a pair.
  • Check the BMW model code, production date and factory audio specification before ordering.
  • The vehicle must have a compatible centre-speaker location, connection and audio channel.
  • Vehicles without an existing centre speaker may require additional wiring, amplification or system configuration.

Further Details

Product Information

Key Features
  • Single vehicle-specific BMW centre speaker
  • 10cm / 4-inch speaker size
  • Integrated 2-way coaxial construction
  • Designed for compatible BMW dashboard locations
  • Improves vocal clarity and centre sound staging
  • 45Hz–25kHz frequency response
  • 50 watts RMS power handling
  • 100 watts peak power handling
  • 4-ohm impedance
  • BMW-specific plug-and-play connection
  • Fits beneath the compatible original speaker grille
Technical Specifications
Product Type Vehicle-specific centre speaker
Supplied Quantity One speaker
Speaker Design 2-way coaxial
Speaker Size 10cm / 4 inches
RMS Power Handling 50 watts
Peak Power Handling 100 watts
Frequency Response 45Hz–25kHz
Impedance 4 ohms
Installation Location Compatible BMW dashboard centre-speaker position
Vehicle Integration BMW-specific plug-and-play connection
What’s Included?

One Alpine DP2-40-BC 10cm vehicle-specific coaxial centre speaker for compatible BMW installations.

What Does a Centre Speaker Do?

A centre speaker helps position vocals and other important audio information in the middle of the dashboard. This can improve speech clarity, front sound staging and the sense that music is coming from ahead of the occupants rather than from individual door speakers.

Is This the Same as the DP2-40C-BC?

No. The DP2-40-BC uses a coaxial design with its tweeter integrated into the main speaker. The DP2-40C-BC is a different component centre-speaker system. Check the required model carefully before ordering.

Expert Guidance

InCarTec Buying Advice

The DP2-40-BC is best suited to BMW vehicles already equipped with a compatible factory centre-speaker location and audio channel. A centre-speaker upgrade can improve vocal focus and dashboard sound staging, but correct system balance is important. Excessive centre-channel level can narrow the stereo image, so amplifier or DSP adjustment may be beneficial when building a complete BMW audio upgrade.

Upgrade Your BMW Centre Channel

Bring Vocals and Detail into Clearer Focus

Choose the Alpine DP2-40-BC for vehicle-specific BMW centre-speaker integration, clear 2-way sound and a discreet factory-style installation.

Brand: Alpine

Car models: The years stated refer to the model's years of manufacture, please check the item description for information about any changes there may be within these productions years.
BMW - 3 Series (G20/G21)* (2019 >)

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