1999 Toyota Sienna Speaker Sizes
The 1999 Toyota Sienna speaker size chart provides factory specifications for replacement or aftermarket audio speakers. Information covers locations including front door panel, rear, and rear door panel positions. Details help identify original factory audio system specifications for upgrade purposes.
As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.
| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
1999 Toyota Sienna Speaker Replacement Summary
3
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 1 High: 0Replacement priority:
High: 1 Medium: 2 Low: 01999 Toyota Sienna 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 1999 Toyota Sienna features uniform 6.5 inch speaker openings across all documented locations, which may simplify the replacement process when sourcing aftermarket components.
- Both midbass and full-range speaker types could be compatible with these factory locations, giving some flexibility in choosing between dedicated frequency-specific drivers or single-unit solutions.
- The front and rear door panels in the 1999 Toyota Sienna accept the same size components, potentially allowing for consistent sound characteristics throughout the cabin if identical replacement speakers are installed.
- Full-range speakers might handle the entire frequency spectrum in a single unit, while midbass options would typically focus on lower-mid frequencies and might require additional tweeters for high-frequency reproduction.
- The radio bay accommodates both single DIN and double DIN head units, which could provide options for integrating modern audio sources or amplification when paired with upgraded speakers.
- Replacing factory speakers with aftermarket midbass or full-range units of the same size might improve clarity, power handling, or frequency response depending on the selected components and their specifications.