B2 Audio Subwoofer Dual 8" RAGE V3 Combo with Tru Spec Prefab Vented Enclosure

• Dual B2 Audio RAGE V3 8" Subwoofers (500W RMS Each): High-excursion design delivers strong, controlled bass in a compact dual-sub configuration.
• Choice of Dual 2-Ohm or Dual 4-Ohm Voice Coils: Flexible impedance options allow easy amplifier matching and wiring flexibility.
• Tru Spec Vented Prefab Dual 8" Enclosure (35 Hz Tuned): Properly sized airspace and port tuning for punchy, efficient bass output.
• Compact MDF Construction: Built from 0.75" MDF for durability and reduced enclosure resonance in daily-driven systems.

B2 Audio Dual 8" RAGE V3 Subwoofer Combo with Tru Spec Prefab Vented Enclosure

This listing includes:

• (2) B2 Audio RAGE Series V3 8" 500W RMS Subwoofers - Choice of Dual 2-Ohm or Dual 4-Ohm


• (1) Tru Spec Vented Prefab Dual 8" Subwoofer Enclosure (35 Hz Tuning)

This B2 Audio dual 8-inch subwoofer combo is designed for customers who want clean, punchy bass in a compact, budget-friendly enclosure. It pairs two RAGE Series V3 high-excursion subwoofers with a Tru Spec vented prefab enclosure that provides proper airspace and tuning for efficient daily-driver performance.

Each RAGE V3 8" subwoofer is rated at 500W RMS and features a long-excursion suspension, dual 2" copper voice coils, and a heavy ferrite motor for reliable low-frequency output. Customers can select either Dual 2-Ohm or Dual 4-Ohm configurations to match their amplifier and wiring preferences.

The included Tru Spec prefab dual 8" enclosure is tuned to 35 Hz with 1.30 ft³ of net internal volume after displacement. Its compact size makes it ideal for smaller trunks while still delivering strong low-end response with controlled airflow.

Subwoofer Features (RAGE V3 Series)

• 500W RMS / 1500W peak power handling (each)


• High-excursion design with 13 mm one-way Xmax


• Dual 2" copper voice coils (D2 or D4 options)


• RNPP cone with tall U-shaped surround for durability


• Strong ferrite motor for controlled low-frequency performance


• Wide 10 Hz – 500 Hz frequency response


• Suitable for sealed, ported, or bandpass enclosures

Enclosure Features (Tru Spec Vented Prefab Dual 8")

• Ported Design Tuned to 35 Hz: Delivers punchy low-end response ideal for daily systems.


• Subwoofer-Specific Airspace: 1.30 ft³ net internal volume calculated after displacement.


• Compact, Non-Restrictive Porting: 18.00 in² port area supports smooth airflow and clean bass.


• Versatile Fitment: Designed for 8" subwoofers and compatible with many popular models when cutout is verified.

Enclosure Specifications

• Material Thickness: 0.75"


• Net Internal Volume: 1.30 ft³


• Tuning Frequency: 35 Hz


• Port Area: 18.00 in²


• Cutout Diameter: 7.45"


• Flush Trim Diameter: 9.00"

External Dimensions (L x H x W):

• 26.00" x 11.00" x 14.79"