B2 Audio RAMPAGE Series 15" Dual 2-Ohm 4" Voice Coil 5000 Watt RMS Subwoofer

• Massive 5000W RMS and 10,000W max power handling for extreme bass output
• Dual 2-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 2-Ohm 4" Voice Coil 5000 Watt RMS Subwoofer

This Listing Includes

• (1) 15" RAMPAGE DVC 2-Ohm Subwoofer

Item Description

The B2 Audio RAMPAGE ELITE 15D2 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 2-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 15D2 CF is ready to shake everything in sight.

Specifications:

• Frequency Range: 10 Hz - 500 Hz


• Impedance: Dual 2 Ohm


• RMS Power: 5000 Watts


• Max Power: 10,000 Watts

Electrical Parameters:

• Re (DC Resistance): 3.6 Ohm


• Le (Inductance @ 1 kHz): 4.48 mH


• BL^2/RE: 308.4


• Qms (Mechanical Q): 6.61


• Qes (Electrical Q): 0.42


• Qts (Total Q): 0.39

Thiele/Small Parameters:

• Fs (Resonant Frequency): 29.6 Hz


• Vas (Equivalent Compliance Volume): 34.3 L


• Cms (Compliance): 40 m/N


• Mms (Moving Mass): 671 g


• Xmax (one way): 40 mm


• Sd (Cone Area): 775.9 cm

Output & Efficiency:

• Efficiency: 0.21 %


• Sensitivity @ 1W/1m: 85.7 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: 55.42 L / 1.96 Cubic ft

Qtc: 0.42

F3: 60.7 Hz

Ported Compact: 53.3 L / 1.88 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"