1998 Nissan Altima Speaker Sizes
The 1998 Nissan Altima speaker size chart provides factory specifications and aftermarket replacement options for the vehicle's audio system. Information includes speaker locations in the front door panel and rear deck lid. Details cover factory installation sizes and compatible aftermarket upgrade options for each position within the audio system.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Lid | 6.5 | Midbass / Full-Range |
|
1998 Nissan Altima Speaker Replacement Summary
3
total positions
3
easy to replace
2
high priority
0
professional only
Replacement difficulty:
Low: 3 Medium: 0 High: 0Replacement priority:
High: 2 Medium: 1 Low: 01998 Nissan Altima 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 1998 Nissan Altima features a dual-speaker configuration in the front door panels, incorporating both a 1-inch tweeter position and a 6.5-inch midbass or full-range position, which suggests a component-style setup may have been part of the factory audio design or can be implemented as an aftermarket upgrade.
- Both the front and rear speaker locations utilize 6.5-inch openings for midbass or full-range drivers, creating consistency in speaker sizing across the sound system and potentially simplifying the replacement process when upgrading multiple positions simultaneously.
- The separate tweeter location in the front doors could allow for improved high-frequency response and staging when paired with appropriate crossover networks and quality component speakers, as dedicated tweeters tend to reproduce upper frequencies with greater clarity than full-range units alone.
- Rear deck speakers in the 1998 Nissan Altima are limited to 6.5-inch applications, which may constrain low-frequency output compared to installations that can accommodate larger woofers, though proper selection of speakers with adequate excursion characteristics could still provide satisfactory bass response.
- The radio bay accommodates both single DIN and double DIN head units, offering flexibility for aftermarket stereo installations ranging from basic replacements to touchscreen navigation systems, which could serve as the foundation for a more substantial audio system upgrade.
- Upgrading the front door speakers might take priority over rear deck replacements in a staged installation approach, as the front soundstage typically contributes more significantly to the listening experience for front-seat occupants than rear-fill speakers.