2011 Ford Flex Speaker Sizes

The 2011 Ford Flex speaker size chart provides factory specifications for all audio speaker locations throughout the vehicle. Information covers replacement and upgrade options for speakers in the a-pillar, dashboard, d-pillar, front door panel, rear door panel, and rear side panel positions. Details include factory speaker types and aftermarket compatibility for system audio improvements.

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Speaker Details by Location
Location Size Type Notes
A-Pillar 1 Tweeter
  • Requires panel disassembly
  • Professional installation recommended
  • Low replacement priority
  • Replacement difficulty: high
D-Pillar 3.5 Midrange
  • Extremely difficult access
  • Professional service only
  • Low replacement priority
  • Replacement difficulty: high
Dashboard 3.5 Full-Range
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 6x8 Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Door Panel 6x8 Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low
Rear Side Panel 8 Woofer
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium

2011 Ford Flex Speaker Replacement Summary

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

Replacement difficulty:

Low: 2 Medium: 2 High: 2

Replacement priority:

High: 1 Medium: 2 Low: 3

2011 Ford Flex 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 Ford Flex distributes audio across multiple locations, with dedicated tweeters in the A-pillars handling high frequencies at 1 inch, while the dashboard and D-pillar positions accommodate different speaker types despite sharing the same 3.5 inch size.
  • Front and rear door panels both utilize 6x8 inch full-range speakers, suggesting a consistent approach to mid-level audio reproduction throughout the cabin, though this oval format may limit aftermarket options compared to round speakers.
  • The rear side panel features an 8 inch woofer specifically for low-frequency reproduction, indicating that bass response could be prioritized in replacement scenarios where enhanced sound quality is desired.
  • Dashboard speakers are designated as full-range despite their compact 3.5 inch size, which may constrain their ability to reproduce lower frequencies effectively without support from larger drivers elsewhere in the system.
  • The D-pillar location uses 3.5 inch midrange speakers rather than full-range types, pointing to a factory design that separates frequency duties across the rear soundstage of the 2011 Ford Flex.
  • Both Single DIN and Double DIN radio configurations are compatible with this platform, potentially allowing for head unit upgrades that could better drive aftermarket speakers if the factory amplification proves insufficient.
  • Replacing the A-pillar tweeters might be considered lower priority unless the factory units have failed, as these smaller components typically contribute less to overall sound quality compared to larger door and woofer speakers.