Infiniti FX37 Cargo Area Speaker Size
The Infiniti FX37 cargo area accommodates a 5.25 inch speaker size. Compatible types for the location include midbass and full-range units. The specifications cover the 2013 model year.
| Year | Type | Size (inch) |
|---|---|---|
| 2013 | Midbass / Full-Range | 5.25 |
Speaker Types
| Type | Description |
|---|---|
| Midbass | A driver tuned for upper bass and lower midrange, roughly from 80 Hz to 500 Hz. It has longer cone travel than a full-range unit, which supports stronger bass in doors and panels. |
| Full-Range | A single driver that reproduces bass through treble without a separate crossover network. It is the simplest replacement option and is common in factory audio systems. |
Additional Notes
- The cargo area in the 2013 Infiniti FX37 accommodates a 5.25-inch speaker mounting footprint, a size class typically associated with moderate enclosure depth requirements and mid-sized mounting cutout diameters.
- A 5.25-inch driver in a cargo area location benefits from the naturally larger acoustic volume of the surrounding cargo space, which can support lower-frequency extension compared to the same driver mounted in a door or pillar.
- The 5.25-inch diameter places the driver in a range capable of covering approximately 80 Hz to 5 kHz effectively, depending on the specific driver's construction and the crossover configuration used.
- Cargo area placements are generally rear-firing or surface-mounted on side walls, meaning the driver radiates sound toward the passenger cabin from behind the rear seating position.
- A midbass driver in a cargo area functions to reinforce the lower-midrange and upper-bass frequencies, typically operating below the range of a tweeter and above a dedicated subwoofer, bridging a gap in multi-speaker systems.
- A full-range driver covers the widest frequency span of any single driver type, handling bass, midrange, and treble reproduction within 1 unit, making it suitable for installations where only 1 speaker position exists in a given zone.
- At 5.25 inches, a midbass driver in the cargo area of the 2013 Infiniti FX37 can contribute directional low-midrange energy aimed toward rear passengers, supplementing front-stage drivers in systems with front-to-rear staging.
- Full-range drivers at the 5.25-inch size are subject to directional limitations at higher frequencies, as wavelengths above approximately 2-3 kHz become shorter than the cone diameter, causing the driver's dispersion to narrow at those frequencies.
- The cargo area mounting surface in SUV-class vehicles like the FX37 is typically a vertical or angled panel along the side trim or rear quarter, affecting the driver's radiation angle relative to the listening position.