2018 Acura MDX Speaker Sizes

The 2018 Acura MDX speaker size chart provides factory audio system specifications and locations for replacement or aftermarket upgrade purposes. Information includes speaker positions in the a-pillar, center dash, rear roof, d-pillar, front door panel, rear door panel, and rear areas, detailing the specifications needed for speaker replacement or audio system modifications.

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
A-Pillar 1 Tweeter
  • Requires panel disassembly
  • Professional installation recommended
  • Low replacement priority
  • Replacement difficulty: high
Center Dash 3.5 Full-Range
  • Requires dashboard disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
D-Pillar 3.5 Midrange
  • Extremely difficult access
  • Professional service only
  • Low replacement priority
  • Replacement difficulty: high
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear 8 Subwoofer
  • Secondary sound location
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low
Rear Roof 3.5 Full-Range
  • Requires headliner removal
  • Professional service only
  • Low replacement priority
  • Replacement difficulty: high

2018 Acura MDX Speaker Replacement Summary

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

Replacement difficulty:

Low: 2 Medium: 2 High: 3

Replacement priority:

High: 1 Medium: 3 Low: 3

Additional Notes

  • The 2018 Acura MDX factory audio system distributes seven distinct speaker locations throughout the cabin, with sizes ranging from 1 inch tweeters to an 8 inch subwoofer configuration.
  • Replacing the front and rear door panel speakers could provide the most noticeable sound quality improvement, as these 6.5 inch locations handle primary mid-bass and full-range frequencies that dominate typical listening content.
  • The A-pillar tweeters may benefit from aftermarket replacement to enhance high-frequency detail and stereo imaging, though their 1 inch size limits options to dedicated tweeter units rather than coaxial designs.
  • Three separate 3.5 inch locations exist for center dash, rear roof, and D-pillar positions, each serving different frequency roles from full-range to dedicated midrange reproduction.
  • The 8 inch rear subwoofer position suggests a factory-equipped low-frequency driver that could be upgraded for increased bass output and extension when paired with appropriate amplification.
  • Door panel speakers accepting both midbass and full-range types offer flexibility in component selection, allowing either dedicated midbass drivers in a component setup or standalone coaxial speakers.
  • The D-pillar midrange location at 3.5 inches likely focuses on vocal and instrumental frequencies, potentially contributing to rear-seat listening quality and overall soundstage depth.