2009 Mazda CX-9 Speaker Sizes

The 2009 Mazda CX-9 speaker size chart provides factory specifications for replacement or aftermarket upgrade installations. Information includes speaker sizes and locations throughout the audio system: center dash, dashboard, front door panel, rear, and rear door panel positions. Data assists with identifying compatible aftermarket speakers when replacing factory components to enhance the audio system.

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
Dashboard 3.5 Full-Range
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 6x8 Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear 6x8 Full-Range
  • Secondary sound location
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Door Panel 6x8 Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2009 Mazda CX-9 Speaker Replacement Summary

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

Replacement difficulty:

Low: 2 Medium: 3 High: 0

Replacement priority:

High: 1 Medium: 4 Low: 0

2009 Mazda CX-9 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 2009 Mazda CX-9 contains multiple speaker locations throughout the cabin, with the front door panels, rear, and rear door panels all utilizing 6x8 inch full-range speakers, while the center dash and dashboard positions accommodate smaller 3.5 inch full-range speakers.
  • Replacing the 6x8 inch speakers in the door panels would likely provide the most noticeable sound improvement, as these larger speakers typically handle a wider frequency range and produce fuller bass response compared to the smaller dash-mounted units.
  • The 3.5 inch full-range speakers in the center dash and dashboard positions may have limited bass output due to their compact size, though they could contribute to mid-range and high-frequency sound distribution across the front soundstage.
  • The 2009 Mazda CX-9 radio supports both single DIN and double DIN head unit configurations, which could allow for aftermarket stereo upgrades with enhanced power output to better drive replacement speakers.
  • Full-range speakers are designed to reproduce all audible frequencies without requiring separate tweeters or crossovers, though dedicated component speaker systems might offer improved sound staging and clarity if the installation accommodates them in the 6x8 inch locations.
  • The presence of speakers in both front and rear door panels suggests a multi-point audio system that distributes sound throughout the vehicle cabin, potentially creating a more immersive listening environment when properly balanced.