Specifications
SKU: RAINBOW-IL-D4-MB
Rainbow IL-D4 MB
The Rainbow Intelligence Line IL-D4 MB is a 4-inch Crystal Cone center speaker for Mercedes-Benz audio applications. Confirm the vehicle’s center-speaker mounting and factory audio configuration before ordering.
Key Specifications
| Model | IL-D4 MB |
| Speaker type | Center speaker |
| Size | 4 inches |
| Cone | Crystal Cone (manufacturer description) |
| Peak power | 40 W |
| Power rating (manufacturer listed) | 20 W |
| Sensitivity | 88 dB/W/m |
| Frequency response | 120 Hz – 10 kHz |
| Impedance | 4 ohms |
| Packaging dimensions (L × W × H) | 17 × 15.5 × 8.5 cm |
| Packaging gross weight (manufacturer listed) | 0.15 kg |
| Part number | 280146 |
Packaging dimensions and gross weight are manufacturer box specifications, not speaker mounting dimensions.
Compatibility and Installation
Provide your Mercedes-Benz model, chassis, year, trim and original audio system for a compatibility check. The official product page does not list detailed vehicle-year fitment. Mounting space, connectors, center-channel signal and amplifier compatibility must be checked before installation.
Frequently Asked Questions
1. What is the IL-D4 MB?
It is a 4-inch Crystal Cone center speaker from Rainbow’s Intelligence Line for Mercedes-Benz audio applications.
2. Is it the same as the IL-M4 MB?
No. IL-D4 MB is listed as a center speaker, part 280146. IL-M4 MB is a separate midrange speaker set.
3. What power and impedance does it use?
Rainbow lists 40 W peak power, a 20 W power rating and 4-ohm impedance. The peak figure should not be treated as a continuous power rating.
4. Will it fit my Mercedes-Benz?
Fitment depends on the model, chassis, year and factory audio configuration. Send these details to City Sound so the center-speaker mounting and electrical compatibility can be checked.
5. How do I confirm stock and installation cost?
Contact City Sound to confirm current availability, supplied components and an installation quotation for your vehicle. Price and installation charges are not stated here.
Specifications and product image are based on Rainbow Audio’s official IL-D4 MB product page.
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