2011 Porsche 911 Speaker Sizes

The 2011 Porsche 911 factory audio system includes front door panel and rear door panel locations that accommodate 5.25 inch speakers. Midbass and full-range units serve as compatible replacement and upgrade options for an enhanced audio profile.

Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.

Speaker Details by Location
Location Size Type Notes
Front Door Panel 5.25 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Door Panel 5.25 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2011 Porsche 911 Speaker Replacement Summary

2 total positions
2 easy to replace
1 high priority
0 professional only

Replacement difficulty:

Low: 2 Medium: 0 High: 0

Replacement priority:

High: 1 Medium: 1 Low: 0

2011 Porsche 911 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 2011 Porsche 911 uses identical 5.25 inch speakers in both front and rear door panels, which may simplify replacement when upgrading multiple locations simultaneously.
  • Factory door speakers accept either midbass or full-range driver types, with full-range units handling wider frequency ranges while midbass drivers typically focus on midrange and bass frequencies when paired with separate tweeters.
  • Aftermarket component systems with separate tweeters would likely utilize the 5.25 inch locations for midbass drivers, potentially requiring additional tweeter mounting solutions.
  • The single DIN and double DIN radio compatibility suggests flexibility in head unit upgrades, which could influence speaker selection based on amplifier power output capabilities.
  • Replacing all four door speakers with matched components could provide more balanced sound staging across the cabin compared to upgrading only front or rear locations.
  • The 5.25 inch size typically offers better bass response than smaller 4 inch speakers but may have reduced low-frequency extension compared to 6.5 inch alternatives.
  • Component speakers in this size range often feature materials like polypropylene cones or silk dome tweeters that could improve clarity over factory paper cone designs.
  • Sensitivity ratings on replacement speakers would affect volume levels, with higher sensitivity units requiring less power to achieve similar output.