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DD announces REDLINE Series upgrade and redesign - cover

DD Audio Announces REDLINE Series Subwoofer Upgrades and Redesign

May 8, 2018


Oklahoma City, OK, May 8 2018 — DD Audio announces the immediate release of the revised REDLINE Series Subwoofers featuring both performance and aesthetic upgrades. The REDLINE Series is DD Audio’s value oriented product line, but as with all DD Audio products, the REDLINE Series is constantly evolving with changes being made specifically to meet the performance demands of today’s listeners and installers. The 612d-D4 is the first of these new offerings to become available with the remaining models to follow soon.

Performance Improvements Include:

  • Redesigned Frames and Suspension Geometries Allowing for Optimal Compliance, Lower FS and Greater Excursion Potential
  • Completely Revised Voice Coils Utilizing American Adhesives for Increased Thermal Handling and Double Slit Formers for Reduced Inductance and Increased Efficiency.

Aesthetic Improvements Include:

  • Black Matte Finish Cone and Dustcap
  • Reflective Foil Dustcap Logo
  • Thermoformed Multilayer Surround with Signature DD REDLINE Accent
  • Embossed Redline Logo On Inner Diameter of Surround
  • DD Branded Cast and Stamped Frames
Close Up on REDLINE 612d Surround
Close Up on REDLINE 612d Cone
Close Up on REDLINE 612d Basket


200 Series

  • 300 Watts
  • 10” to 12”
  • 2” Dual 4 ohm Voice Coil

500 Series

  • 400 Watts
  • 6.5” to 12”
  • 2” Dual 2 ohm or Dual 4 ohm Voice Coil

600 Series

  • 600 Watts
  • 8” to 15”
  • 2.5” Dual 2 ohm or Dual 4 ohm Voice Coil

700 Series

  • 1200 Watts
  • 12” to 15”
  • 3” Dual 2 ohm or Dual 4 ohm Voice Coil

Click here to see the full lineup of DD Audio Subwoofers.