2004 Lexus GS300 Speaker Sizes

The 2004 Lexus GS300 speaker size chart provides factory audio system specifications for replacement or aftermarket upgrade purposes. Information includes speaker locations in the front door panel, rear door panel, and rear deck lid. Details cover factory specifications to assist with aftermarket audio system component installations and upgrades.

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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

2004 Lexus GS300 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

2004 Lexus GS300 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 2004 Lexus GS300 provides three distinct speaker locations with varying sizes that may allow for different upgrade approaches depending on listening priorities and budget considerations.
  • The rear deck lid contains a 10-inch subwoofer location that could serve as a foundation for low-frequency reproduction without requiring aftermarket enclosures or trunk space modifications.
  • Both front and rear door panels accommodate 6.5-inch speakers, which may simplify the upgrade process when seeking a uniform speaker set across all door locations.
  • The door panel speakers accept either midbass or full-range types, potentially offering flexibility in system design depending on whether separate tweeters are retained or installed.
  • Full-range speakers in the 6.5-inch locations might provide a simpler installation path compared to component systems, though midbass drivers paired with tweeters could offer different tonal characteristics.
  • The factory rear deck subwoofer location suggests that bass reproduction was addressed separately from the door speakers, which might influence replacement strategies for maintaining balanced output.
  • Upgrading the 10-inch rear deck subwoofer could address low-frequency extension and impact before considering door speaker replacements, particularly if bass response is the primary concern.
  • The 2004 Lexus GS300 accepts both single DIN and double DIN head units, which may expand options for aftermarket receivers with greater power output to drive upgraded speakers more effectively.
  • The identical 6.5-inch size across all door positions might reduce the complexity of selecting speakers while maintaining consistency in sensitivity and power handling throughout the cabin.
  • Component speaker systems in the front doors combined with full-range speakers in the rear positions could potentially create a more focused soundstage while maintaining rear-seat coverage.