Ruthless Audio Ferrite 3" VC 15" D0.7 Subwoofer | 2500W RMS

Ruthless Audio Ferrite 15" D0.7 Subwoofer | 2500W RMS | 3" Voice Coil | Quad-Stack Magnet

The Ruthless Audio Ferrite 15" D0.7 Subwoofer is built to dominate both SPL and daily driving, delivering brutal low-end with 2500W RMS power and a high-efficiency quad-stack ferrite motor. Featuring an FEA-optimized motor, custom-machined US steel, and 144 tinsel count leads, this subwoofer is designed for extreme performance and long-term durability.

Built for Power, Precision, and Punishment

• Quad-Stack Ferrite Magnet:
  Featuring a 4-stack ferrite design made from precision-cut US steel, water-jetted and CNC-machined in-house for tight tolerances and powerful motor force.

• Advanced Cooling:
  A solid pole with staged aluminum cooling manages heat effectively, allowing you to push full RMS power without thermal failure.

• High-Efficiency Power Transfer:
  Equipped with 144 tinsel count leadwires, double-sewn into a 5-piece progressive spider pack, ensuring zero power loss to the voice coil during heavy bass drops.

Ruthless Ferrite Subwoofer Key Features:

• Available in 15" size

• Dual 0.7 ohm configuration

• 2500W RMS / 5000W Peak Power Handling

• FEA-optimized motor structure with high flux density

• 144 tinsel count stitched hybrid leads or push terminals

• 3” diameter, 4-layer high-temp voice coil

• Extra heavy-duty aluminum basket with wrap-around gasket

• Kraft pulp fiber-reinforced cone for accuracy and strength

• Dual-layer wide foam surround for high-excursion control

• 5 progressive spiders for clean, responsive movement

• Carbon fiber dust cap standard for added rigidity and style

Dominate Daily or SPL

Whether you're crushing the lanes or flexing windshields on the daily, the Ruthless Audio Ferrite 15" D0.7 Subwoofer brings together U.S. craftsmanship, precision materials, and extreme output. With its quad-stack ferrite motor and 3” voice coil, it’s designed to hit hard, stay cool, and last long.