2007 Infiniti FX35 Speaker Sizes

The speaker size chart provides factory specifications for the audio system in a 2007 Infiniti FX35. Information covers replacement and aftermarket upgrade options across multiple locations, including center dash, dashboard, d-pillar, front door panel, and rear door panel positions. Data details original equipment specifications to assist with aftermarket component compatibility.

As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.

Speaker Details by Location
Location Size Type Notes
Center Dash 3.5 Full-Range
  • Requires dashboard disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
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 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

2007 Infiniti FX35 Speaker Replacement Summary

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

Replacement difficulty:

Low: 2 Medium: 2 High: 1

Replacement priority:

High: 1 Medium: 3 Low: 1

2007 Infiniti FX35 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 2007 Infiniti FX35 utilizes 6.5 inch speakers in both front and rear door panels, which typically handle the majority of the audible frequency range and tend to contribute most significantly to overall cabin sound quality.
  • Door panel speakers accept either midbass or full-range configurations, allowing for flexibility in system design depending on whether a separate tweeter component is integrated elsewhere in the installation.
  • Three distinct 3.5 inch speaker locations are present throughout the cabin, each serving different acoustic purposes based on their compatible types and positioning.
  • The center dash and standard dashboard positions both accommodate 3.5 inch full-range speakers, which typically reproduce mid and upper frequencies without requiring crossover filtering to a separate tweeter.
  • D-pillar locations house 3.5 inch midrange speakers rather than full-range units, suggesting these positions may be designed to work in conjunction with other speakers to cover specific frequency bands.
  • Replacing door panel speakers may provide more noticeable sound enhancement compared to smaller dash-mounted units, given their larger surface area for moving air and broader frequency response capabilities.
  • The single DIN radio opening suggests head unit replacement options are available, though this may affect integration with factory amplification or signal processing if present in the original system.
  • Full-range speakers in multiple locations could indicate a factory system design that avoided separate tweeter components, simplifying replacement but potentially limiting high-frequency extension compared to component speaker systems.