2008 Mazda RX-8 Speaker Sizes

The 2008 Mazda RX-8 factory audio system features front door panels and the rear deck lid that accommodate 1 inch speakers, alongside front door panels and the rear deck lid that support a 6x8 inch speaker size. The rear deck lid also accepts 6x9 inch units. Compatible replacement and upgrade speaker types consist of tweeters and full-range units.

Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.

Speaker Details by Location
Location Size Type Notes
Front Door Panel 1 Tweeter
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Front Door Panel 6x8 Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 1 Tweeter
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low
Rear Deck Lid 6x9 Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low
Rear Deck Lid 6x8 Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low

2008 Mazda RX-8 Speaker Replacement Summary

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

Replacement difficulty:

Low: 5 Medium: 0 High: 0

Replacement priority:

High: 2 Medium: 3 Low: 0

2008 Mazda RX-8 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 Mazda RX-8 features a combination of tweeters and full-range speakers across multiple locations, suggesting a factory sound system designed for separation of high and mid-range frequencies.
  • Both front door panels and rear deck lid locations include 1-inch tweeters, which typically handle higher frequency ranges and may contribute to clarity in vocal reproduction and cymbal detail.
  • The 6x8 inch full-range speakers in the front doors likely serve as the primary mid-bass drivers, while similar sizes in the rear deck could provide fill and depth to the overall soundstage.
  • An additional 6x9 inch full-range option exists in the rear deck lid, potentially offering improved low-frequency response compared to the 6x8 configuration due to increased cone area.
  • Upgrading the front door 6x8 speakers might yield the most noticeable improvement in sound quality, as front speakers generally provide the majority of audible content in automotive audio systems.
  • The tweeter locations may benefit from component speaker upgrades that include dedicated crossovers, potentially improving frequency distribution and reducing distortion at higher volumes.
  • Aftermarket full-range speakers in 6x8 or 6x9 sizes could enhance bass output and overall dynamic range, though proper installation and sealing may be necessary to prevent rattling in the deck lid.
  • The radio supports both single DIN and double DIN head units, allowing flexibility for aftermarket receivers with enhanced amplification or digital signal processing capabilities.