B2 Audio RAMPAGE Series 15" Dual 1-Ohm 4" Voice Coil 5000 Watt RMS Subwoofer

• Massive 5000W RMS and 10,000W max power handling for extreme bass output
• Dual 1-ohm configuration with 4" 8-layer aluminum voice coil for superior control
• Carbon fiber cone and TWS Tall Wide Foam surround ensure durability and excursion
• Rated sensitivity of 91.2 dB with a 29.4 Hz Fs for deep, hard-hitting lows
• Ideal for sealed, ported, or bandpass enclosures with multiple tuning options

B2 Audio RAMPAGE Series 15" Dual 1-Ohm 4" Voice Coil 5000 Watt RMS Subwoofer

This Listing Includes

• (1) 15" RAMPAGE 5000 Watt Subwoofer

Item Description

The B2 Audio RAMPAGE ELITE 15D1 CF is built for elite car audio enthusiasts who demand maximum output and reliability. With an insane 5000W RMS and 10,000W peak power, this 15-inch subwoofer features a massive 4-inch aluminum 8-layer voice coil, dual 1-ohm impedance, and an ultra-efficient motor structure pushing a 40mm Xmax. Designed with a carbon fiber cone and premium foam surround, it delivers devastating lows across a 10 Hz to 500 Hz range. Whether you're building a competition beast or upgrading your daily driver, the Rampage 15D1 CF is ready to shake everything in sight.

Specifications:

• Frequency Range: 10 Hz - 500 Hz


• Impedance: Dual 1 Ohm


• RMS Power: 5000 Watts


• Max Power: 10,000 Watts

Electrical Parameters:

• Re (DC Resistance): 1.8 Ohm


• Le (Inductance @ 1 kHz): 2.09 mH


• BL^2/RE: 274.3


• Qms (Mechanical Q): 6.49


• Qes (Electrical Q): 0.46


• Qts (Total Q): 0.43

Thiele/Small Parameters:

• Fs (Resonant Frequency): 29.4 Hz


• Vas (Equivalent Compliance Volume): 34.2 L


• Cms (Compliance): 40 m/N


• Mms (Moving Mass): 690 g


• Xmax (one way): 40 mm


• Sd (Cone Area): 775.9 cm

Output & Efficiency:

• Efficiency: 0.18 %


• Sensitivity @ 1W/1m: 84.8 dB

Physical Characteristics:

• Overall Diameter: 15.59 in / 396 mm


• Baffle Cutout Diameter: 14.25 in / 362 mm


• Mounting Depth: 12.25 in / 311 mm


• Total Depth: 12.91 in / 328 mm


• Voice Coil Diameter: 4 in / 101.6 mm


• Magnet Type: Ferrite


• Cone Material: Carbon Fiber


• Surround: TWS Tall Wide Foam


• Weight (Net): 119.5 lb


• Weight (Set): 127.3 lb

Enclosure Suggestions:

Sealed: 52.83 L / 1.86 Cubic ft

Qtc: 0.45

F3: 54.9 Hz

Ported Compact: 50.7 L / 1.79 Cubic ft

Fb: 38 Hz

Port Area: 29.9 squared inches

Port Length: 28.2"

Ported: 113 L / 4 Cubic ft

Fb: 30 Hz

Port Area: 38.9 squared inches

Port Length: 25.7"

Bandpass 4th Order Ratio: 3:1

Package Dimension:

• Length: 19.69"


• Width:  19.69"


• Height: 19.29"

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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• Make sure you’ve received the shipping confirmation email with the tracking number.
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