2018 Honda Ridgeline Speaker Sizes
The 2018 Honda Ridgeline factory audio system includes specific mounting points, where the a-pillar accommodates a 1 inch speaker size, while the center dash accommodates 3.5 inch speakers. Front door panels and rear door panels accept 6.5 inch units, and the location behind the seat supports 8 inch units. Available audio components for replacement and upgrade include tweeter, full-range, midbass, and subwoofer types.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| A-Pillar | 1 | Tweeter |
|
| Behind Seat | 8 | Subwoofer |
|
| Center Dash | 3.5 | Full-Range |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2018 Honda Ridgeline Speaker Replacement Summary
5
total positions
2
easy to replace
1
high priority
1
professional only
Replacement difficulty:
Low: 2 Medium: 2 High: 1Replacement priority:
High: 1 Medium: 3 Low: 12018 Honda Ridgeline 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 A-pillar tweeters in the 2018 Honda Ridgeline handle high-frequency reproduction, which could benefit from aftermarket upgrades if the factory units lack clarity or detail in the upper ranges.
- Center dash speakers at 3.5 inches typically serve vocal and mid-range frequencies, and their full-range design suggests they contribute to dialogue clarity and overall sound staging.
- Front and rear door panels share the same 6.5-inch size specification, offering flexibility to install either dedicated midbass drivers for improved low-end response or full-range speakers for broader frequency coverage.
- The behind-seat location accommodates an 8-inch subwoofer, providing factory bass reinforcement that could be replaced with higher-excursion units for increased low-frequency output and impact.
- Replacing door panel speakers might take priority over other locations, since they typically handle the majority of the audible frequency spectrum and contribute substantially to perceived sound quality.
- The component-style arrangement with separate tweeters and larger door speakers indicates a factory system designed with some attention to frequency separation, though aftermarket components could further refine this division.
- Both single and double DIN radio compatibility allows for head unit upgrades without dashboard modification concerns, potentially enabling additional power output or signal processing capabilities.
- The combination of tweeter, mid-range, and subwoofer locations suggests a three-way configuration that addresses different frequency bands through purpose-specific speaker types.