1999 Infiniti G20 Speaker Sizes
The 1999 Infiniti G20 speaker size chart provides factory specifications and locations for the audio system. Information covers replacement and aftermarket upgrade options across three locations: a-pillar, front door panel, and rear deck lid. Each entry details the factory speaker specifications installed at various positions throughout the vehicle's audio system.
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| Location | Size | Type | Notes |
|---|---|---|---|
| A-Pillar | 1 | Tweeter |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Lid | 6x9 | Full-Range |
|
1999 Infiniti G20 Speaker Replacement Summary
3
total positions
2
easy to replace
1
high priority
1
professional only
Replacement difficulty:
Low: 2 Medium: 0 High: 1Replacement priority:
High: 1 Medium: 1 Low: 11999 Infiniti G20 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 Infiniti G20 features a three-way speaker arrangement with tweeters in the A-pillars, door-mounted midbass or full-range drivers, and rear deck speakers. This configuration suggests a front-biased soundstage that could benefit from component speaker upgrades in the front positions.
- The A-pillar tweeter locations at 1 inch indicate high-frequency reproduction separate from the mid-range drivers. Replacing these tweeters with aftermarket units of matching size could refine treble response and imaging characteristics within the cabin.
- Front door panels accommodate 6.5 inch speakers classified as either midbass or full-range types. Component speaker systems utilizing these locations for woofers paired with the A-pillar tweeters may produce more detailed midrange frequencies compared to coaxial full-range alternatives.
- The rear deck lid positions accept 6x9 inch full-range speakers, which typically provide broader frequency response than smaller round drivers. These oval speakers might contribute additional low-frequency output to compensate for the absence of a factory subwoofer.
- Upgrading the 6.5 inch front door speakers would likely yield more noticeable sonic improvements than replacing rear deck speakers, as front-stage speakers typically handle more critical midrange and vocal frequencies in the 1999 Infiniti G20 audio system.
- The combination of dedicated tweeters and larger door speakers allows for component system installations without requiring custom mounting solutions. This factory arrangement facilitates straightforward aftermarket speaker integration while maintaining original mounting points.
- Both Single DIN and Double DIN radio compatibility provides flexibility for head unit replacements. A Double DIN receiver installation could introduce modern amplification capabilities to better drive aftermarket speakers across all positions.