2004 Scion xB Speaker Sizes

The 2004 Scion xB factory audio system includes dashboard locations that accommodate 1 inch units, front door panel locations that support 6.5 inch speakers, and rear side panel locations that accept a 6.5 inch speaker size. Compatible speaker types for replacement and upgrade include tweeter, midbass, 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
Dashboard 1 Tweeter
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Side Panel 6.5 Midbass / Full-Range
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium

2004 Scion xB Speaker Replacement Summary

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

Replacement difficulty:

Low: 1 Medium: 2 High: 0

Replacement priority:

High: 1 Medium: 1 Low: 1

2004 Scion xB 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 Scion xB features a three-location speaker layout with dashboard tweeters and 6.5-inch positions in both front and rear locations.
  • Dashboard positions accommodate 1-inch tweeters, which typically handle high-frequency reproduction in component speaker systems.
  • Front door panels house 6.5-inch openings that accept either midbass drivers for component setups or full-range speakers for simpler installations.
  • Rear side panels mirror the front configuration with 6.5-inch mounting points compatible with midbass or full-range speaker types.
  • The presence of dashboard tweeters suggests the factory audio may have utilized a component-style arrangement with separated frequency drivers.
  • Aftermarket component speaker sets with separate tweeters and midbass drivers could utilize the existing dashboard and door locations without modification.
  • Full-range 6.5-inch speakers offer a simpler replacement path for the door and rear positions when component separation is not desired.
  • Both Single DIN and Double DIN radio openings are listed as compatible, which may indicate variations in factory head unit configurations or available mounting space.
  • Replacing the 6.5-inch speakers in all four positions would likely provide the most noticeable sound quality improvement given their larger surface area compared to the tweeters.
  • Component speaker systems would take advantage of the factory tweeter locations, potentially offering better sound staging than coaxial full-range replacements.