2009 Mercury Milan Speaker Sizes

The 2009 Mercury Milan factory audio system features front door panels that accommodate a 1 inch speaker size, while front door panels and rear door panels accept 6x8 inch speakers. Front locations and rear deck lid locations support 6x8 inch units and 6x9 inch units respectively. Tweeter and full-range driver units serve as compatible speaker types for an audio replacement and upgrade.

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

Speaker Details by Location
Location Size Type Notes
Front 6x8 Full-Range
  • Main speakers location
  • High replacement priority
  • Replacement difficulty: medium
Front Door Panel 6x8 Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Front Door Panel 1 Tweeter
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 6x9 Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low
Rear Door Panel 6x8 Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2009 Mercury Milan Speaker Replacement Summary

5 total positions
4 easy to replace
3 high priority
0 professional only

Replacement difficulty:

Low: 4 Medium: 1 High: 0

Replacement priority:

High: 3 Medium: 2 Low: 0

2009 Mercury Milan 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 Mercury Milan factory audio configuration includes a 1-inch tweeter location in the front door panel, which may serve as a dedicated high-frequency component in the stock system. This tweeter position could be upgraded with aftermarket units designed for similar frequency ranges.
  • Full-range speakers in the 6x8-inch format appear throughout the front and rear door panels of this vehicle. These oval-shaped units typically handle mid-range frequencies and bass response in factory installations, making them primary candidates for sound quality enhancement.
  • The rear deck lid accommodates 6x9-inch full-range speakers, which generally provide additional bass output compared to the smaller door-mounted units. This location often benefits from larger cone area for improved low-frequency reproduction.
  • Replacing the front door panel speakers on the 2009 Mercury Milan might yield noticeable sound improvements, as these locations typically provide the most direct sound path to occupants. The 6x8-inch openings accept various aftermarket designs with similar mounting footprints.
  • Both single DIN and double DIN head unit configurations are supported in this installation, offering flexibility for aftermarket radio upgrades. Double DIN receivers typically provide larger display screens and additional features compared to single DIN alternatives.
  • The combination of tweeter and full-range speaker locations suggests a multi-way factory setup that separates frequency ranges across different drivers. Aftermarket component systems could potentially utilize these existing mounting points for improved staging and clarity.
  • Rear door panel speakers share the same 6x8-inch specification as the front doors, which may simplify parts ordering when upgrading multiple locations. This consistency in sizing could indicate shared mounting hardware across different door positions.