2009 Lexus GS350 Speaker Sizes

The 2009 Lexus GS350 speaker size chart provides factory audio specifications for replacement and aftermarket upgrade purposes. Information covers speaker locations including front door panel, rear door panel, and rear deck lid positions. Data includes dimensions and system specifications to assist with identifying compatible aftermarket speakers for factory audio system modifications.

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
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 10 Subwoofer
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low
Rear Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2009 Lexus GS350 Speaker Replacement Summary

3 total positions
3 easy to replace
1 high priority
0 professional only

Replacement difficulty:

Low: 3 Medium: 0 High: 0

Replacement priority:

High: 1 Medium: 2 Low: 0

Additional Notes

  • The 2009 Lexus GS350 features three distinct speaker locations with varying sizes and purposes, suggesting a factory audio configuration that separates bass frequencies from mid-range sound reproduction.
  • Front and rear door panels share identical 6.5-inch openings, which may simplify the replacement process when sourcing aftermarket components for multiple locations simultaneously.
  • The rear deck lid accepts 10-inch subwoofers, indicating a dedicated low-frequency channel that could benefit from specialized bass drivers rather than standard full-range speakers.
  • Door panel positions accommodate both midbass and full-range speaker types, providing flexibility between dedicated component systems or simpler coaxial designs depending on audio goals.
  • Subwoofer placement in the rear deck lid position could affect trunk space utilization and mounting depth requirements, potentially limiting enclosure options compared to floor-mounted alternatives.
  • Upgrading door speakers to midbass drivers rather than full-range types might necessitate additional tweeters for high-frequency response, creating a more complex but potentially higher-fidelity component system.
  • The 10-inch subwoofer specification suggests moderate bass extension capabilities, falling between smaller 8-inch drivers and larger 12-inch options in terms of low-frequency output potential.
  • Matching impedance and power handling characteristics across all speaker positions could contribute to balanced sound staging when selecting replacement components for the factory locations.