2009 Hummer H2 Speaker Sizes

The 2009 Hummer H2 speaker size chart provides factory specifications and locations for audio system components. Information covers speakers in front door panels, B-pillar positions, rear door panels, and rear areas. Details support replacement and aftermarket upgrade planning by identifying factory speaker configurations throughout the vehicle audio system.

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Speaker Details by Location
Location Size Type Notes
B-Pillar 4 Midrange
  • Complex disassembly required
  • Professional service only
  • Low replacement priority
  • Replacement difficulty: high
Front Door Panel 1 Tweeter
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear 8 Subwoofer
  • Secondary sound location
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

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: 1

Replacement priority:

High: 2 Medium: 2 Low: 1

2009 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.