2009 Mini Cooper Speaker Sizes
The speaker size chart for the 2009 Mini Cooper provides factory speaker specifications and locations within the audio system. Information covers replacement and aftermarket upgrade options for speakers positioned in the a-pillar, front door panel, rear door panel, rear side panel, and below seats. Specifications detail factory speaker configurations installed at each location.
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| Location | Size | Type | Notes |
|---|---|---|---|
| A-Pillar | 1 | Tweeter |
|
| Below Seats | 8 | Subwoofer |
|
| Front Door Panel | 4 | Midrange |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 4 | Midrange |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Side Panel | 1 | Tweeter |
|
| Rear Side Panel | 4 | Midrange |
|
| Rear Side Panel | 6x9 | Full-Range |
|
2009 Mini Cooper Speaker Replacement Summary
10
total positions
5
easy to replace
3
high priority
1
professional only
Replacement difficulty:
Low: 5 Medium: 4 High: 1Replacement priority:
High: 3 Medium: 3 Low: 42009 Mini Cooper Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN or Double DIN | 7"×2" or 7"×4" | 180×50 or 180×100 | Vehicle supports both radio sizes |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 2009 Mini Cooper contains multiple speaker locations with varying sizes, suggesting a component-based audio system with separate drivers for different frequency ranges rather than a simple coaxial setup.
- Tweeters of 1 inch are located in four positions throughout the cabin: A-pillar, front door panel, rear door panel, and rear side panel, indicating attention to high-frequency sound distribution.
- Midrange speakers at 4 inches are positioned in three locations: front door panels, rear door panels, and rear side panels, which typically handle vocal and instrumental frequencies in the middle spectrum.
- The front door panels accommodate three different speaker types: 1 inch tweeters, 4 inch midrange drivers, and 6.5 inch midbass or full-range speakers, suggesting these locations may be primary upgrade targets for sound improvement.
- A 6.5 inch speaker slot in the front door panel accepts either midbass drivers or full-range speakers, providing flexibility depending on whether the system uses separated components or simpler full-range replacements.
- The rear side panel location accepts 6x9 inch full-range speakers, which is a non-circular format that may offer increased cone area compared to round speakers of similar nominal size.
- An 8 inch subwoofer location below the seats provides dedicated low-frequency reproduction, though space constraints in this position might limit subwoofer depth or enclosure volume.
- The 2009 Mini Cooper radio opening accepts both single DIN and double DIN head units, offering options for aftermarket stereo upgrades with varying feature sets and display sizes.
- Replacing the component speakers while maintaining the factory tweeter, midrange, and midbass separation could preserve the intended frequency distribution characteristics of the audio system.
- The presence of dedicated midbass drivers at 6.5 inches alongside separate midrange speakers at 4 inches suggests the system was designed to divide acoustic labor across specialized drivers rather than relying on broadband coaxial speakers.