2009 Infiniti FX50 Speaker Sizes

The 2009 Infiniti FX50 factory audio system features dashboard and center dash locations that accommodate a 1 inch speaker size and 3.5 inch units, respectively. Front door panel and rear door panel locations accept 6.5 inch speakers, while the cargo area supports 5.25 inch speakers. Available replacement and upgrade speaker types consist of tweeters, midbass, and full-range units.

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

Speaker Details by Location
Location Size Type Notes
Cargo Area 5.25 Midbass / Full-Range
  • Ample working space
  • Medium replacement priority
  • Replacement difficulty: low
Center Dash 3.5 Full-Range
  • Requires dashboard disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Dashboard 1 Tweeter
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2009 Infiniti FX50 Speaker Replacement Summary

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

Replacement difficulty:

Low: 3 Medium: 2 High: 0

Replacement priority:

High: 2 Medium: 3 Low: 0

2009 Infiniti FX50 Radio Slot Size (DIN)

DIN Type Size (inch) Size (mm) Notes
Single DIN 7"×2" 180×50 Standard size for basic car radios with small display or no display
  • Always measure the slot before purchasing a new radio
  • Check slot depth - it may vary

Additional Notes

  • The door panel locations in the 2009 Infiniti FX50 accommodate 6.5 inch drivers, which could make them logical starting points for audio enhancement given their larger surface area compared to other positions.
  • The 1 inch tweeter position in the dashboard suggests a factory configuration that separates high-frequency reproduction from the mid and lower ranges handled by larger drivers.
  • Center dash positioning with a 3.5 inch full-range driver may serve dialogue and vocal clarity in the soundstage, though this smaller size typically has limitations in bass extension.
  • The cargo area location accepts 5.25 inch drivers designated for midbass or full-range operation, which might provide rear fill or additional low-frequency support depending on the factory system design.
  • Both midbass and full-range compatibility ratings for the 6.5 inch and 5.25 inch locations indicate flexibility in component selection, allowing either dedicated frequency range drivers or single-driver solutions.
  • The single DIN radio specification in the 2009 Infiniti FX50 indicates a standard height head unit opening, which could affect aftermarket receiver options and integration complexity.
  • Tweeters at 1 inch represent the smallest driver size in the system, specializing in frequencies that larger cones cannot efficiently reproduce due to their mass and excursion characteristics.
  • The presence of five distinct speaker locations suggests a multi-channel factory setup that distributes sound across different zones within the cabin.