2009 Infiniti QX56 Speaker Sizes
The 2009 Infiniti QX56 factory audio system contains specific factory locations for audio components. Front door panels accommodate 6x9 inch speakers, and the rear door panel accommodates a 6.75 inch speaker size. Compatible speaker types for a system replacement and audio upgrade include 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 | 6x9 | Full-Range |
|
| Rear Door Panel | 6.75 | Midbass / Full-Range |
|
2009 Infiniti QX56 Speaker Replacement Summary
2
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 0 High: 0Replacement priority:
High: 1 Medium: 1 Low: 0Additional Notes
- The 2009 Infiniti QX56 front door panels accommodate 6x9 inch full-range speakers, which typically offer broader frequency response compared to standard round speakers due to their larger cone surface area. This oval configuration allows for increased bass output without requiring separate woofers in many installations.
- The rear door panels in the 2009 Infiniti QX56 accept 6.75 inch speakers that can function as either midbass drivers or full-range units. This smaller round format suggests a different acoustic role than the front doors, potentially allowing for dedicated midrange and bass reproduction when paired with separate tweeters.
- Replacing factory speakers with aftermarket options may yield noticeable improvements in clarity and dynamic range, particularly if the original components have degraded over time. The different sizes between front and rear positions indicate a factory-designed soundstage that aftermarket selections should consider maintaining.
- The full-range compatibility of the front door speakers suggests they handle treble, midrange, and bass frequencies from a single unit, while the midbass option for rear doors indicates flexibility in system configuration. Upgraders might choose dedicated midbass drivers for the rear if installing separate tweeters elsewhere.
- The 6x9 inch front speaker size generally provides higher sensitivity ratings than smaller round speakers, potentially resulting in louder output with the same amplifier power. This configuration may have been selected to maximize sound pressure levels in the larger cabin space without additional amplification.