B2 Audio RAMPAGE Series 12" Dual 1-Ohm 4" Voice Coil 5000 Watt RMS Subwoofer

• 5000W RMS / 10,000W MAX – Built for serious SPL performance with extreme power handling.
• Dual 1 Ohm 4” Voice Coil – 8-layer aluminum winding for superior conductivity and heat resistance.
• Massive 1100oz Ferrite Motor – Ensures deep, controlled bass with heavy motor force.
• Carbon Fiber Cone & TWS Foam Surround – Lightweight, responsive cone material paired with tall foam surround for maximum excursion and durability.
• Optimized for SPL & Enclosure Tuning – Sealed, ported, or 4th-order bandpass options available; ideal for competitions and ground-pounding systems.

B2 Audio RAMPAGE Series 12" Dual 1-Ohm 4" Voice Coil 5000 Watt RMS Subwoofer

Listing Includes

• (1) 12" RAMPAGE DVC 1-Ohm Subwoofer

Item Description

B2 Audio RAMPAGE12-ELITE-D1 12" Subwoofer – Pure Bass Authority

Step into elite-level bass with the B2 Audio RAMPAGE12-ELITE-D1, a 12" subwoofer designed for unrelenting SPL power and performance. With 5000 Watts RMS and a staggering 10,000W peak, this beast delivers clean, low-end force that shakes the pavement.

Crafted with a carbon fiber cone, TWS tall wide foam surround, and a 4-inch 8-layer aluminum voice coil, this subwoofer is engineered to move serious air. The dual 1-ohm impedance configuration gives you flexible wiring options to push maximum wattage from your amplifier setup.

The RAMPAGE Elite’s ferrite magnet motor assembly weighs in at over 1100oz, supporting 40mm of Xmax (one way)—that’s some serious excursion for brutal lows and responsive dynamics. Whether you're building an SPL monster or a daily flex beast, the RAMPAGE12-ELITE-D1 performs at the highest level.

Features

• High-performance 12" competition-grade subwoofer


• 5000W RMS / 10,000W peak power handling


• Dual 1 Ohm configuration for flexible wiring options


• Oversized 4" / 101.6mm 8-layer aluminum voice coil


• Premium carbon fiber cone for lightweight strength


• TWS tall wide foam surround for extended excursion


• Massive 1100 oz ferrite motor for unmatched motor force


• Cast aluminum basket for reduced resonance and rigidity


• 40mm one-way Xmax for deep, clean, and hard-hitting bass


• Engineered for SPL competitions, demo builds, and extreme daily setups


• Wide frequency response from 10Hz to 500Hz


• Designed to perform in sealed, ported, or bandpass enclosures


• Hand-built quality from B2 Audio for serious audio enthusiasts

Specifications

• Subwoofer Size: 12 Inch


• RMS Power: 5000 Watts


• Peak Power: 10,000 Watts


• Impedance: Dual 1 Ohm (DVC)


• Voice Coil Diameter: 4" / 101.6mm


• Voice Coil Material: 8-Layer Aluminum


• Magnet Type: Ferrite


• Motor Assembly Weight: 1100 oz


• Sensitivity: 81.7 dB (1w/1m)


• Resonant Frequency (Fs): 32 Hz


• Frequency Response: 10 Hz – 500 Hz


• Cone Material: Carbon Fiber


• Surround Material: TWS Tall Wide Foam


• Xmax (one way): 40 mm


• MMS: 610 g


• Vas: 11.2 L


• Qts: 0.44


• Qes: 0.47


• Qms: 7.17


• Re (DC Resistance): 1.7 Ohm


• Le (1 kHz): 1.83 mH


• EBP: 68.1


• Efficiency: 0.09%


• Sd (Cone Area): 461.5 cm


• Cms: 40 um/N


• BL/RE: 276.4

Enclosure Suggestions:

Sealed: 28.3 L / 1 Cubic ft

Qtc: 0.433

F3: 59.6 Hz

Ported Compact: 28.3 L / 1 Cubic ft

Fb: 38 Hz

Port Area: 4 Inches

Port Length: 19.7"

Ported: 75 L / 2.65 Cubic ft

Fb: 32 Hz

Port Area: 28.3 Squared inches

Port Length: 24.4"

Bandpass 4th Order Ratio: 3:1

Dimensions

• Mounting Depth: 10.2" / 258 mm


• Cutout Diameter: 11.1" / 282 mm


• Overall Diameter: 12.44" / 316 mm


• Total Depth: 10.83" / 275 mm


• Net Weight: 79.6 lbs /36.5 kg


• Shipping Weight: 86.40 lbs/38 kg


• Shipping Box Dimensions:  16" x 16" x 17"