2007 Audi S4 Speaker Sizes

The 2007 Audi S4 factory audio system features dashboard and center dash locations that accommodate 3 inch speakers, while front door panel and rear door panel locations accept 1 inch speakers and 6.5 inch units. Rear side panel locations support 5.25 inch units and an 8 inch speaker size, and the rear deck lid location accepts 8 inch units. Available replacement and upgrade speaker types include tweeter, full-range, midrange, midbass, and woofer.

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

Speaker Details by Location
Location Size Type Notes
Center Dash 3 Midrange
  • Requires dashboard disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
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 Deck Lid 8 Woofer
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low
Rear Door Panel 1 Tweeter
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low
Rear Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low
Rear Side Panel 5.25 Midbass / Full-Range
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Side Panel 8 Woofer
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium

2007 Audi S4 Speaker Replacement Summary

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

Replacement difficulty:

Low: 5 Medium: 4 High: 0

Replacement priority:

High: 2 Medium: 5 Low: 2

2007 Audi S4 Radio Slot Size (DIN)

DIN Type Size (inch) Size (mm) Notes
Double DIN 7"×4" 180×100 Double size for modern multimedia systems with large touchscreens
  • Always measure the slot before purchasing a new radio
  • Check slot depth - it may vary

Additional Notes

  • The 2007 Audi S4 contains a multi-speaker configuration with sizes ranging from 1-inch tweeters to 8-inch woofers distributed across nine distinct locations throughout the cabin.
  • Tweeter replacements in the front and rear door panels may offer the most noticeable improvement to high-frequency clarity, as these 1-inch drivers handle the treble range where detail and articulation become most apparent to listeners.
  • The dashboard and center dash positions both accommodate 3-inch drivers, though they serve different purposes with full-range capability in the dashboard location versus dedicated midrange function in the center position.
  • Component speaker systems could potentially replace the existing setup in the front doors, where separate 1-inch tweeters and 6.5-inch midbass drivers already create a natural two-way configuration.
  • The rear door panels mirror the front door layout with both 1-inch tweeters and 6.5-inch midbass or full-range speakers, suggesting a symmetrical audio architecture between front and rear seating areas.
  • Low-frequency reinforcement comes from two 8-inch woofer locations in the rear deck lid and rear side panel, which handle bass reproduction below the range of the smaller drivers.
  • An additional 5.25-inch speaker position exists in the rear side panel alongside the 8-inch woofer, creating potential for dedicated midbass support in the rear soundstage.
  • The double DIN radio opening in the 2007 Audi S4 allows for aftermarket head unit installations that can provide additional power and processing capabilities to upgraded speakers.
  • Full-range speaker options exist for the 6.5-inch door positions and 5.25-inch rear side panel, which could simplify replacements for those preferring single-driver solutions over component systems.
  • The variety of speaker types and sizes throughout the cabin suggests that selective upgrades targeting specific frequency ranges might yield more cost-effective improvements than replacing all speakers simultaneously.