2017 Toyota Avalon Speaker Sizes

The 2017 Toyota Avalon factory audio system includes specific mounting areas. Center dash, dashboard, and rear deck lid locations accommodate 3.5 inch speakers. Rear door panel locations accept a 3.5 inch speaker size. Front door panel and rear deck lid locations support 6x9 inch units. Compatible speaker types for replacement or upgrade consist of full-range and midrange units.

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

Speaker Details by Location
Location Size Type Notes
Center Dash 3.5 Full-Range
  • Requires dashboard disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Dashboard 3.5 Full-Range
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 6x9 Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 3.5 Full-Range
  • 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 Door Panel 3.5 Midrange
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2017 Toyota Avalon Speaker Replacement Summary

6 total positions
4 easy to replace
1 high priority
0 professional only

Replacement difficulty:

Low: 4 Medium: 2 High: 0

Replacement priority:

High: 1 Medium: 5 Low: 0

2017 Toyota Avalon 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 2017 Toyota Avalon features multiple speaker locations with varying sizes, where the front door panels accommodate the largest speakers at 6x9 inches while most other positions utilize smaller 3.5-inch units.
  • Front door panel speakers likely represent the primary sound source given their larger size and full-range capability, suggesting these locations could offer the most noticeable impact when upgraded.
  • The rear deck lid contains two different speaker sizes, with both 3.5-inch and 6x9-inch positions available, which may indicate a multi-speaker configuration in that location.
  • Most speaker positions accept full-range drivers, though the rear door panel specifically calls for midrange speakers, indicating a possible frequency division strategy in the factory audio system.
  • The prevalence of 3.5-inch speakers across five mounting locations suggests these smaller units handle much of the overall sound distribution throughout the cabin.
  • The radio bay supports both single DIN and double DIN head units, which may provide flexibility for aftermarket stereo installations when coordinating with speaker upgrades.
  • The center dash and standard dashboard both use identical 3.5-inch full-range speakers, potentially contributing to soundstage width and imaging in the front listening area.
  • Upgrading the 6x9-inch speakers in the front doors and rear deck lid could improve bass response and overall output due to their larger cone area compared to the 3.5-inch units.