Rebec BMW120 COAX
Midrange
Rebec BMW120 COAX
Midrange
Rebec BMW120 COAX Rear Door Speaker
OEM Rear Speaker Upgrade for BMW Vehicles
The Rebec BMW120 COAX is a dedicated 5.1-inch coaxial speaker engineered specifically for BMW rear door applications. Designed as a direct replacement for factory rear speakers, the BMW120 COAX delivers improved clarity, enhanced musical detail, and a more complete rear sound field while maintaining OEM installation compatibility.
Developed as part of the Rebec BMW Series, the BMW120 COAX provides an effective upgrade solution for BMW owners seeking a more balanced and immersive listening experience without modifying the vehicle’s original speaker locations.
Sound Performance
- Improved rear sound field performance
- Better clarity than factory rear speakers
- Enhanced musical detail
- Balanced full-range reproduction
- Smooth tonal integration with the front stage
- Comfortable and natural listening experience
The BMW120 COAX helps create a fuller and more immersive cabin environment by supporting the front speakers with clean and balanced rear-fill performance.
Key Features
OEM-Specific BMW Fitment
The BMW120 COAX is designed to fit directly into BMW factory rear door speaker locations, allowing easy installation while preserving the original appearance of the vehicle.
Coaxial Full-Range Design
The integrated coaxial architecture combines midrange and high-frequency reproduction within a single driver, providing complete full-range performance from the rear door location.
Glass Fiber Cone Construction
The glass fiber cone delivers excellent rigidity and control, helping maintain natural tonal balance and accurate musical reproduction.
Rear-Fill Optimization
The BMW120 COAX is tuned to complement the front speaker system rather than dominate it, helping create a more cohesive and spacious listening experience throughout the vehicle cabin.
Performance Highlights
The BMW120 COAX provides a noticeable improvement over factory rear speakers by delivering cleaner vocals, improved detail, and more balanced frequency reproduction. Its ability to integrate naturally with front-stage components helps create a more enjoyable and immersive listening environment for both front and rear passengers.
When combined with BMW200 underseat woofers, BMW120 front midrange speakers, and BMW28 tweeters, the BMW120 COAX contributes to a complete OEM-style upgrade solution for BMW vehicles.
Part of the Rebec BMW Series Ecosystem
The BMW120 COAX is designed to work seamlessly within the Rebec BMW Series platform, providing a consistent tonal character and balanced performance throughout the vehicle.
For BMW owners seeking a complete speaker upgrade while maintaining factory fitment and appearance, the BMW120 COAX is an ideal rear speaker solution.
Application
The Rebec BMW120 COAX is designed for BMW vehicles equipped with 5-inch class rear door speakers and is suitable for OEM audio upgrades, DSP-enhanced systems, and complete Rebec BMW Series installations.
Summary
The Rebec BMW120 COAX is a dedicated OEM replacement coaxial speaker for BMW rear door applications. Combining direct factory fitment, balanced full-range performance, improved clarity, and enhanced rear sound field reproduction, it provides an effective and seamless upgrade for BMW owners seeking a more immersive in-car audio experience.
Specification
| Speaker Model | BMW120 COAX |
| Type of Speaker | Coaxial |
| Speaker Size | 129mm/5.1" |
| Nominal power (RMS) | 40W |
| Maximum power (PEAK) | 80W |
| Sensitivity (2.83V/1m) | 90dB |
| Frequency response | 70Hz-20KHz |
| Impedance | 4ohm |
| DRC | 3.6ohm |
| Voice coil diameter | 25mm/0.98in |
| Cone (materier) | Glass fiber |
| Surround | Isobutylene Isoprene Rubber |
| Magnet (materier) | Ferrite Magnet |
| Magnet (diameter) | 70mm |
| PARAMETERS | |
| F0 | 72Hz |
| Sd | 45cm² |
| Vas | 3.0L |
| Cms | 1.033mM/N |
| Mms | 4.6g |
| BL | 3.722N/A |
| Qms | 4,84 |
| Qes | 0,549 |
| Qts | 0,493 |
| SPLo | 90dB |
| Xmax | 6mm |
| Xmech | 10mm |


