2009 Acura RDX Speaker Sizes

The 2009 Acura RDX speaker size chart provides factory audio specifications for replacement or aftermarket upgrade purposes. Information covers speaker locations throughout the vehicle, including front door panel, dashboard, d-pillar, rear door panel, and rear side panel positions. Data includes specifications for each factory audio system component location.

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Speaker Details by Location
Location Size Type Notes
D-Pillar 3 Midrange
  • Extremely difficult access
  • Professional service only
  • Low replacement priority
  • Replacement difficulty: high
Dashboard 3 Full-Range
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 1 Tweeter
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
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
Rear Side Panel 8 Woofer
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium

2009 Acura RDX Speaker Replacement Summary

6 total positions
3 easy to replace
2 high priority
1 professional only

Replacement difficulty:

Low: 3 Medium: 2 High: 1

Replacement priority:

High: 2 Medium: 2 Low: 2

2009 Acura RDX 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 2009 Acura RDX factory audio system incorporates a multi-location speaker arrangement with six distinct mounting positions. The configuration includes 1-inch tweeters in the front door panels, 3-inch full-range units in the dashboard, 3-inch midrange speakers in the D-pillars, 6.5-inch midbass or full-range speakers in both front and rear door panels, and 8-inch woofers in the rear side panels.
  • Replacement priorities might focus on the 6.5-inch door panel locations, as these handle critical mid-frequency content and bass response. Upgrading these midbass or full-range positions could potentially yield noticeable improvements in vocal clarity and lower frequency output, particularly given their dual presence in both front and rear doors.
  • The 1-inch tweeter locations in the front doors suggest a component-style setup possibility, where aftermarket tweeters could be paired with upgraded 6.5-inch woofers to create a more refined front soundstage. This combination might offer better frequency separation compared to relying solely on full-range speakers.
  • The 8-inch woofer positions in the rear side panels provide dedicated low-frequency reinforcement. Replacing these with higher-quality woofers could enhance bass depth and impact without requiring subwoofer installation, though their rear placement may affect how bass frequencies integrate with front-stage imaging.
  • The 3-inch dashboard full-range speakers likely contribute to upper midrange and presence frequencies. While smaller in size, these positions could influence the perceived height and openness of the soundstage when replaced with higher-sensitivity units.
  • The D-pillar midrange speakers at 3 inches might serve to fill rear passenger areas or create surround effects. Their classification as midrange-specific rather than full-range suggests they handle a more limited frequency band, possibly crossing over to the rear 8-inch woofers.
  • A phased upgrade approach could begin with the front 6.5-inch and 1-inch locations, followed by rear door speakers, then auxiliary positions. This strategy would address the primary listening area first while maintaining compatibility with the 2009 Acura RDX single DIN radio configuration.
  • Sound improvement potential exists across frequency ranges given the variety of speaker types. Tweeters influence high-frequency detail and imaging precision, midrange units affect vocal reproduction and instrumental texture, while midbass and woofer positions determine lower frequency fullness and dynamics.