2018 Volkswagen Jetta Speaker Sizes

The 2018 Volkswagen Jetta factory audio system features specific mounting locations for various drivers, where the a-pillar accepts a 1.5 inch speaker size, the front door panel accommodates 6.75 inch units, and the rear door panel supports 6.5 inch units. Tweeter, midbass, and full-range units serve as compatible speaker types for an audio replacement or upgrade project.

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

Speaker Details by Location
Location Size Type Notes
A-Pillar 1.5 Tweeter
  • Requires panel disassembly
  • Professional installation recommended
  • Low replacement priority
  • Replacement difficulty: high
Front Door Panel 6.75 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

2018 Volkswagen Jetta Speaker Replacement Summary

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

Replacement difficulty:

Low: 2 Medium: 0 High: 1

Replacement priority:

High: 1 Medium: 1 Low: 1

2018 Volkswagen Jetta 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 2018 Volkswagen Jetta features a three-position speaker configuration with A-pillar tweeters and door-mounted woofers, suggesting a factory component speaker setup that separates high-frequency and mid-to-low frequency reproduction.
  • Front door speakers at 6.75 inches differ slightly from the 6.5-inch rear door units, which may indicate the front position receives priority in the factory audio design and could be the logical starting point for aftermarket upgrades.
  • The 1.5-inch A-pillar position accepts only tweeter installations, maintaining the separated frequency approach rather than allowing coaxial speaker configurations in that location.
  • Both midbass and full-range speaker types are listed as compatible for door positions, giving flexibility to either maintain a component system with separate tweeters or switch to coaxial designs that would leave the A-pillar locations unused.
  • The dual-DIN radio compatibility alongside the single-DIN option suggests the dashboard can accommodate larger touchscreen head units without modification, potentially supporting more advanced audio processing capabilities.
  • The size difference between front and rear doors means separate speaker models would be required for a complete four-door upgrade, as the 6.75-inch and 6.5-inch specifications are not interchangeable.
  • Component speaker systems designed for this configuration would typically route higher frequencies to the A-pillar tweeters while directing midrange and bass content to the larger door-mounted drivers, potentially offering improved soundstage and imaging compared to coaxial alternatives.