Tru Spec Elite Single 12" XXL: Sundown M, X, Zv6, Zv7, NSv6

Tru Spec Elite XXL 12" is a single-driver enclosure built for heavy 12" subs (Sundown M, X, Zv6, Zv7, NSv6). Its 2.50 ft³ net internal volume and 32 Hz tuning are tailored for deep bass with notable low-end reach in a compact footprint.

• Net Internal Volume: 2.50 ft³ (after accounting for 0.24 ft³ displacement). This airspace supports the woofer’s movement and helps define low-frequency output in a single-driver setup.
• Box External Dimensions: 30.00" W × 15.00" H × 21.21" D. Provides a defined footprint suitable for trunk mounting while accommodating a 12" driver.
• Material Thickness: 0.75". Higher wall thickness provides rigidity to minimize panel flex under heavy bass.
• Cutout: 11.20". Matches many 12" drivers, ensuring proper seating and mounting fit.
• Tuning Frequency: 32 Hz. Indicates the enclosure’s low-frequency emphasis set by the internal porting configuration.
• Port Area: 40.00 in². Port cross-section supports air movement at the tuned frequency to achieve the target bass response.
• Bracing and Baffle Design: Triple mounting baffle plus quad flush baffle, strategically braced with 45-degree supports. Enhances rigidity and mounting versatility for secure driver installation.
• Compatibility: Fits Sundown M, X, Zv6, Zv7, NSv6 12" and many more heavy high-performance subwoofers. Tailored to large, high-excursion drivers common in premium builds.

Benefits: In a car audio system, this enclosure provides substantial internal space and a tuned porting scheme that supports deep bass from 12" drivers. The 0.75" MDF walls and multi-braced, multi-baffle construction reduce flex and vibration, helping the subtray perform consistently under high-power bass. The 30" wide footprint and 11.2" cutout offer a practical, installer-friendly size for a range of trunk layouts while maintaining compatibility with a family of high-performance 12" subs.