2004 Infiniti I35 Speaker Sizes
The 2004 Infiniti I35 factory audio system features front door panels that accommodate 1 inch speakers and 6.5 inch units, rear door panels that support 6.5 inch units, and a rear deck lid that accepts an 8 inch speaker size. Compatible speaker types for a replacement or upgrade include tweeters, midbass, full-range, and woofers.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Lid | 8 | Woofer |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2004 Infiniti I35 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: 02004 Infiniti I35 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 2004 Infiniti I35 incorporates a dual-speaker configuration in the front door panels, with a 1-inch tweeter handling high frequencies and a 6.5-inch midbass or full-range driver managing mid and lower frequencies.
- Rear door panel speakers in this vehicle utilize 6.5-inch midbass or full-range drivers, matching the front door woofer size to potentially provide balanced sound distribution throughout the cabin.
- The rear deck lid accommodates 8-inch woofers, which may contribute additional bass response compared to the smaller door-mounted drivers.
- Component speaker systems with separate tweeters and woofers could be considered for the front doors given the existing 1-inch tweeter location alongside the 6.5-inch driver position.
- Aftermarket speaker replacement in the 2004 Infiniti I35 may prioritize the front door 6.5-inch positions and rear deck 8-inch locations, as these larger drivers typically handle the majority of audible frequency output.
- The radio opening accepts both single DIN and double DIN head units, which may allow flexibility when pairing aftermarket receivers with upgraded speakers.
- The combination of dedicated tweeters, mid-sized door speakers, and larger rear deck woofers suggests a three-way sound system design across the frequency spectrum.
- Midbass drivers in the 6.5-inch positions could provide vocal clarity and instrumental detail, while the 8-inch rear woofers may handle lower frequency reinforcement.