1998 Acura RL Speaker Sizes
The 1998 Acura RL factory audio system includes specific mounting locations. The front door panel accommodates a 2.5 inch speaker size alongside a 6.5 inch unit, the rear door panel supports 5.25 inch speakers, and the rear deck lid accepts 6x9 inch units. Compatible replacement and upgrade speaker types consist of midrange, midbass, and full-range units.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 2.5 | Midrange |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Lid | 6x9 | Full-Range |
|
| Rear Door Panel | 5.25 | Midbass / Full-Range |
|
1998 Acura RL Speaker Replacement Summary
4
total positions
4
easy to replace
2
high priority
0
professional only
Replacement difficulty:
Low: 4 Medium: 0 High: 0Replacement priority:
High: 2 Medium: 2 Low: 01998 Acura RL 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 Acura RL contains four distinct speaker locations with varying size requirements, suggesting a multi-component audio architecture that separates frequency reproduction across different areas of the cabin.
- Front door panels accommodate both 2.5-inch midrange units and 6.5-inch midbass or full-range speakers, indicating a possible two-way component configuration where dedicated midrange drivers handle vocal frequencies while larger woofers reproduce lower frequencies.
- Rear door panels accept 5.25-inch speakers designated for midbass or full-range operation, which may provide secondary bass support and fill audio to rear passengers when paired with the front speaker array.
- The rear deck lid houses 6x9-inch full-range speakers, a size format often associated with extended bass response and higher power handling compared to smaller round speakers, potentially serving as the primary low-frequency source in the factory system.
- Replacing the 2.5-inch midrange speakers in the front doors might offer noticeable improvements in vocal clarity and midrange detail, as smaller dedicated drivers typically reproduce these frequencies with less distortion than larger full-range units attempting to cover the entire spectrum.
- Upgrading the 6.5-inch front door speakers could enhance overall tonal balance and staging, particularly if component sets with separate crossovers are installed to properly distribute frequencies between the midrange and midbass drivers.
- The 6x9-inch rear deck speakers may contribute substantially to bass output in the stock configuration, meaning their replacement with higher-quality units could yield improvements in low-frequency extension and impact without requiring subwoofer installation.
- Both single DIN and double DIN head units fit the radio opening, providing flexibility for aftermarket receiver upgrades that could drive replacement speakers more effectively than the original equipment.