Four RAGE 8" DVC 500W RMS Subwoofer w/ Tru Spec Vented Quad 8" Enclosure

• Includes four B2 Audio RAGE 8" subwoofers and one Tru Spec quad 8" back vented enclosure
• Choose from Dual 2-Ohm or Dual 4-Ohm voice coil subwoofers to match your wiring setup
• Enclosure tuned to 35 Hz with 3.50 ft³ net volume after displacement for deep, responsive bass
• Built for demo, competition, or serious daily use with maximum SPL and output

B2 Audio Quad 8" RAGE Subwoofer Combo with Tru Spec Back Vented 4x8 Enclosure

This listing includes:

• (4) B2 Audio RAGE Series 8" Dual Voice Coil Subwoofers (Choose between Dual 2-Ohm or Dual 4-Ohm models)


• (1) Tru Spec Back Vented Prefab Four Up Port 8" Subwoofer Enclosure (GP-4-8-SUB)

Take your build to the next level with a powerful quad subwoofer combo featuring four B2 Audio RAGE 8" subwoofers and the Tru Spec GP-4-8-SUB back vented enclosure. The RAGE series subs are engineered for aggressive output, handling 500 watts RMS each with a 2 inch voice coil and optimized venting. The enclosure is built for airflow and precision, offering 3.50 cubic feet of net internal volume after displacement and a 52 square inch port area tuned to 35 Hz. Choose your configuration with either dual 2-ohm or dual 4-ohm subs and build a system that delivers the punch, precision, and pressure you're after.

Subwoofer Specifications (RAGE8-D4-V3 or RAGE8-D4-V3):

• RMS Power Handling: 500W


• Max Power Handling: 1000W


• Voice Coil Diameter: 2 inch


• Frequency Response: 10 Hz to 500 Hz


• Magnet Weight: 175 oz


• Displacement: 2.5 L / 0.088 cu ft


• Sensitivity: 83.8 dB (D2) / 82.4 dB (D4)


• Free Air Resonance (Fs): 39.3 Hz (D2) / 40.9 Hz (D4)


• Resistance (Re): 1.9 Ohm (D2) / 3.2 Ohm (D4)


• Qms: 6.09 (D2) / 5.64 (D4)


• Qes: 0.5 (D2) / 0.54 (D4)


• Qts: 0.48 (D2) / 0.47 (D4)


• Vas: 5.8 L (D2) / 5.9 L (D4)


• Cms: 110 um/N


• Mms: 138.5 g (D2) / 129.7 g (D4)


• BL: 72.9 TM (D2) / 69.5 TM (D4)


• Xmax: 15 mm


• Overall Diameter: 8.66 in


• Mounting Diameter: 7.83 in


• Front Mount Baffle Cutout: 7.28 in


• Overall Depth: 6.57 in


• Mounting Depth: 5.31 in

Enclosure Specifications (GP-4-8-SUB):

• Material Thickness: 0.75 in


• Net Internal Volume (post displacement): 3.50 ft


• Tuning Frequency: 35 Hz


• Port Area: 52.00 in


• Cutout Diameter: 7.45 in


• Flush Trim Diameter: 9.00 in


• External Dimensions (Length x Width x Height): 34.00 in x 14.00 in x 22.00 in

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

• Visa
• Mastercard
• American Express
• Discover
• Diners Club

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• Amazon Pay
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• Google Pay
• Shop Pay
• PayPal

International Payment Methods

• Bancontact
• iDEAL

Bank Transfers

• Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

• Klarna
• Affirm
• Sezzle
• Snap
• Acima
• Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

• Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
• Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

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