Bass Monster


Authorized DD Audio Dealers Near You

Show results within of


  • Extended Pole Piece with Aluminum Shorting Ring
  • Hi-Roll Foam EROM Surround
  • Kevlar Reinforced Nonpress Pulp Cone
  • 4.0″ BASV 4-Layer Flat Aluminium Voice Coil
  • Quad Layer Deep Bass, High Excursion Spider System
  • Triple Stack High-Grade Ferrite Magnets, 381oz
  • Back Plate Voice Coil Gap Venting

818d: 1000w to 2000w – 18 Inch Power Tuned Subwoofer

Speaker Size (In): 18
Watts RMS: 1000 - 3000
Impedance: D1 / D2
VCD (In): 4
Fs (Hz): 29
Qms: 4.606
Qes: 0.579
Qts: 0.514
Vas: 101
Xmax (MM): 29
Frame OD w/Gasket (In): 18 1/2
Mounting Diameter (In): 16 39/94
Mounting Depth (In): 11 11/32
Motor Diameter (In): 9 19/64
Motor Depth (In): 4 17/32
Ported Enclosure (CuFt): 5.0 - 6.0
Price (USD): Contact Dealer

Power Tuned subwoofers are phenomenal sounding drivers that are built to push performance limits to the next level. They feature additional mechanical and electrical damping to handle the rigors of crazy lows in high power, high output applications. This collection of subwoofers has been optimized for vented and multi-order enclosures.


Included in the Box

DD Audio
4025 NW 36th Street
Oklahoma City, OK 73112
(405) 239-2800 | Fax: (405) 239-7100