RAMPAGE 8" Dual Voice Coil 1000W RMS Subwoofer w/ Tru Spec Vented 8" Enclosure

• Includes one B2 Audio RAMPAGE 8" subwoofer and one Tru Spec prefab single 8" enclosure
• Available in Dual 1-Ohm or Dual 2-Ohm voice coil configurations for wiring flexibility
• Compact enclosure tuned to 35 Hz with 0.65 ft³ net volume and 9.00 in² port area
• Perfect for daily drivers, compact installs, or first-time SPL builds

B2 Audio Single 8" RAMPAGE Subwoofer Combo with Tru Spec Prefab Enclosure

This listing includes:

• (1) B2 Audio RAMPAGE Series 8" Dual Voice Coil Subwoofer (Choose between Dual 1-Ohm or Dual 2-Ohm models)


• (1) Tru Spec Prefab Single 8" Subwoofer Enclosure (GP-SINGLE-8)

Unleash hardcore bass in a compact format with this powerhouse combo featuring the B2 Audio RAMPAGE 8" subwoofer and Tru Spec GP-SINGLE-8 enclosure. Built for SPL enthusiasts and daily drivers alike, the RAMPAGE8 sub delivers 1000W RMS and is available in dual 1-ohm or dual 2-ohm configurations. It pairs perfectly with the GP-SINGLE-8 enclosure, which is crafted from 0.75" MDF, tuned to 35 Hz, and optimized for tight response and clean airflow. This is a compact combo with serious bite—perfect for builds where space is limited but performance can’t be compromised.

Subwoofer Specifications (RAMPAGE8-D1-V2 or RAMPAGE8-D2-V2):

• RMS Power Handling: 1000 Watts


• Max Power Handling: 2000 Watts


• Frequency Response: 10 Hz to 500 Hz


• Nominal Impedance: Dual 1 Ohm (D1) or Dual 2 Ohm (D2)


• Voice Coil Diameter: 2 inch


• Sensitivity: 83.8 dB


• Magnet Weight: 300 oz


• Displacement Volume: 3.3 L / 0.115 cu ft


• Free Air Resonance (Fs): 39 Hz


• Resistance (Re): 1 Ohm (D1)


• Qms: 5.67


• Qes: 0.55


• Qts: 0.5


• Vas: 5.4 L


• Cms: 100 um/N


• Mms: 135.1 g


• BL: 72 TM


• Xmax: 20 mm


• Overall Diameter: 8.66 in


• Mounting Diameter: 7.84 in


• Front Mount Baffle Cutout: 7.28 in


• Overall Depth: 7.09 in


• Mounting Depth: 5.91 in

Enclosure Specifications (GP-SINGLE-8):

• Material Thickness: 0.75 in


• Net Internal Volume: 0.65 ft


• Tuning Frequency: 35 Hz


• Port Area: 9.00 in


• Cutout Diameter: 7.45 in


• Flush Trim Diameter: 9.00 in


• External Dimensions (Length x Height x Width): 20.00 in x 10.5 in x 11.26 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

Digital Wallets

• Amazon Pay
• Apple Pay
• Meta Pay (formerly Facebook Pay)
• 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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