2016 Kia Optima Speaker Sizes
The 2016 Kia Optima factory audio system includes specific locations configured to accept various audio components. The dashboard accommodates 2.75 inch units, while the front door panel and rear door panel support 6.5 inch speakers. Additionally, the rear deck center accommodates an 8 inch speaker size. Compatible speaker types for audio replacement and upgrade configurations consist of midrange, midbass, full-range, and subwoofer units.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 2.75 | Midrange |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Center | 8 | Subwoofer |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2016 Kia Optima Speaker Replacement Summary
4
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 2 High: 0Replacement priority:
High: 1 Medium: 3 Low: 02016 Kia Optima 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 2016 Kia Optima contains four distinct speaker locations with varying sizes that could be addressed during an audio upgrade, ranging from small dashboard units to a dedicated subwoofer position.
- Dashboard speakers at 2.75 inches are designated as midrange drivers, which typically handle vocal frequencies and mid-spectrum content rather than low bass or extreme high frequencies.
- Both front and rear door panels accommodate 6.5-inch speakers that can accept either midbass or full-range drivers, providing flexibility in system configuration depending on whether dedicated tweeters are used.
- The rear deck center position houses an 8-inch subwoofer, which may be the first component to consider replacing if low-frequency output is insufficient, as factory subwoofers often use less powerful magnets and lighter cone materials than aftermarket options.
- Door panel speakers likely contribute the majority of audible output in the stock configuration, making them potentially high-priority candidates for replacement when seeking noticeable sound quality improvements.
- Full-range 6.5-inch speakers in the doors would eliminate the need for separate tweeters, while midbass options would require the dashboard midrange speakers or aftermarket tweeters to handle higher frequencies.
- The single DIN and double DIN radio compatibility suggests the head unit could be replaced with aftermarket options offering greater power output, which may be necessary to properly drive higher-quality replacement speakers.
- Upgrading the 8-inch subwoofer location might require attention to impedance matching and power handling, as aftermarket subwoofers often have different electrical characteristics than factory units.