1999 Kia Sephia Speaker Sizes
The 1999 Kia Sephia speaker size chart provides factory speaker specifications for replacement or aftermarket audio system upgrades. Information includes speaker locations in front door panels and rear deck lid. Data covers factory audio system configurations to facilitate component upgrades with aftermarket speakers matching original specifications.
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 | 5.25 | Midbass / Full-Range |
|
| Rear Deck Lid | 5x7 | Full-Range |
|
1999 Kia Sephia Speaker Replacement Summary
2
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 0 High: 0Replacement priority:
High: 1 Medium: 1 Low: 01999 Kia Sephia 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 Kia Sephia front door panels accommodate speakers measuring 5.25 inches, which can accept either midbass or full-range speaker types depending on the audio system configuration desired.
- Rear deck lid positions in this vehicle support 5x7 inch full-range speakers, providing an oval mounting footprint that differs from the circular front locations.
- Replacing factory speakers with aftermarket units may produce noticeable improvements in frequency response and overall clarity, particularly if the original speakers have degraded over time.
- The front door location typically receives priority during speaker upgrades, as these positions handle much of the midrange and bass frequencies that contribute to perceived audio quality.
- Full-range speakers function as single-driver solutions that attempt to reproduce the entire audible spectrum, whereas midbass speakers focus on lower midrange and upper bass frequencies between approximately 80 Hz and 500 Hz.
- The 5x7 inch format in the rear deck provides a larger surface area compared to round 5.25 inch speakers, potentially offering slightly higher output capability in the mid-bass region.
- Both single DIN and double DIN radio configurations are supported in the 1999 Kia Sephia, allowing flexibility when selecting head units with varying feature sets and display sizes.
- Speaker sensitivity ratings and power handling capabilities should be considered alongside size specifications when selecting replacement components to match the output characteristics of the installed amplifier or head unit.