2009 Hummer H2 Speaker Sizes
The 2009 Hummer H2 factory audio system features locations where the front door panel and rear door panel accommodate 6.5 inch speakers, the b-pillar supports 4 inch units, the rear speaker location accepts an 8 inch speaker size, and the front door panel also accommodates a 1 inch component. Compatible speaker types for a replacement or upgrade consist of tweeters, midranges, midbass, full-range drivers, and subwoofers.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| B-Pillar | 4 | Midrange |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear | 8 | Subwoofer |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2009 Hummer H2 Speaker Replacement Summary
5
total positions
3
easy to replace
2
high priority
1
professional only
Replacement difficulty:
Low: 3 Medium: 1 High: 1Replacement priority:
High: 2 Medium: 2 Low: 12009 Hummer H2 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 Hummer H2 features a multi-component speaker configuration with dedicated tweeters, midrange drivers, and larger midbass units distributed across multiple locations.
- The 1-inch tweeters mounted in the front door panels handle high-frequency reproduction, while 4-inch midrange speakers positioned at the B-pillars focus on vocal and instrumental clarity in the critical mid-frequency range.
- Both front and rear door panels accommodate 6.5-inch speakers that can function either as dedicated midbass drivers in a component system or as full-range units in a simpler configuration.
- An 8-inch subwoofer location exists in the rear area, which could be utilized for enhanced low-frequency output without requiring custom enclosure modifications.
- The factory radio opening accepts both single DIN and double DIN head units, providing flexibility when upgrading source components alongside speaker replacements.
- Replacing the smaller B-pillar midrange speakers might yield noticeable improvements in mid-frequency detail, as these drivers typically handle the most audible portion of the frequency spectrum.
- The door-mounted 6.5-inch positions likely benefit most from aftermarket component speakers, as these locations typically receive better acoustic treatment than pillar-mounted drivers.
- Component systems separating tweeters from midbass drivers would align well with the existing factory architecture, potentially simplifying installation while improving sound staging.
- Upgrading the rear 8-inch subwoofer position could provide substantial bass reinforcement, though enclosure type and volume would influence actual low-frequency performance.
- The combination of multiple speaker sizes suggests the factory system attempted to divide frequency ranges among specialized drivers rather than relying solely on full-range speakers.