2008 Infiniti G37 Speaker Sizes

The 2008 Infiniti G37 speaker size chart provides factory speaker specifications for all audio system locations. Details cover front door panel, rear side panel, center dash, and rear deck lid positions. Information includes OEM speaker types and configurations for aftermarket replacement or upgrade purposes. Data applies to stock audio installations and aftermarket compatibility requirements.

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Speaker Details by Location
Location Size Type Notes
Center Dash 4 Midrange
  • Requires dashboard disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 3.5 Midrange
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Front Door Panel 1 Tweeter
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Front Door Panel 6.75 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 6x9 Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low
Rear Side Panel 3.5 Midrange
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium

2008 Infiniti G37 Speaker Replacement Summary

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

Replacement difficulty:

Low: 4 Medium: 2 High: 0

Replacement priority:

High: 3 Medium: 2 Low: 1

2008 Infiniti G37 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 2008 Infiniti G37 utilizes a multi-component speaker configuration with separate tweeters, midrange drivers, and midbass units distributed across the cabin rather than relying solely on coaxial full-range speakers.
  • Front door panels accommodate three distinct speaker elements: a 1-inch tweeter for high frequencies, a 3.5-inch midrange driver, and a 6.75-inch midbass or full-range speaker, creating a three-way component system in each front door.
  • The rear deck lid features 6x9-inch full-range speakers, which represent the largest speaker openings in the 2008 Infiniti G37 and typically handle broader frequency ranges without requiring separate tweeters or midrange components.
  • Replacing the front door speakers may take priority given their multi-driver configuration, as these locations contain the majority of the audio components and likely contribute most significantly to overall sound staging and frequency coverage.
  • The 3.5-inch midrange speakers installed in both front door panels and rear side panels handle crucial mid-frequency content where vocals and many instruments reside, making their replacement potentially impactful for tonal balance.
  • Component speaker systems with dedicated tweeters generally provide enhanced high-frequency detail and imaging compared to coaxial designs, though aftermarket options would need to match the existing 1-inch tweeter size in the front doors.
  • The center dash location houses a 4-inch midrange speaker that may serve as a center channel for stereo imaging or fill purposes, though its contribution to overall sound quality varies depending on factory audio system configuration.
  • Both single DIN and double DIN radio configurations are compatible with the dash opening, potentially offering flexibility when considering head unit upgrades alongside speaker replacements.