12-Inch High Performance Subwoofer

  • Our biggest, most powerful subwoofer creates deep, room-filling bass
  • Feed forward distortion suppression technology allows higher maximum output without distortion or damage
  • Innovative front-firing mode lets you place the subwoofer just about anywhere

Real Big Bass

The DSW PRO 660 wi delivers more deep bass impact without cramping your style. Our most powerful subwoofer features a 400 Watt continuous intelligent digital amplifier to move its 12" Dynamic Balance® driver, filling even the biggest rooms with waves of tight bass. Experience thunderous explosions, powerful bass effects and precise musical bass response from a large subwoofer that still keeps a low profile.

  • Product Specification
  • Support
Tech Specs


  • Total Pieces


  • Remote
    Subwoofer Remote
  • Remote Type
    Infrared (IR)
  • Remote Features
    Volume +/-
    Phases 0, 90, 180, 270
    Night Mode
    Polk Room Optimizer Settings: Cabinet, Corner, Mid-Wall, Mid-Room
  • Optional Accessories
    • (1) DSW Pro 600 Grille - For Front-Firing Orientation - Sold Separate


  • Electronics Warranty
    3 years
  • Drivers Warranty
    5 years
  • Original Purchaser Only

Shipping Cartons

  • Carton 1
    21.5" (54.61 cm) h x 21.25" (53.98 cm) w x 21.25" (53.98 cm) d - 53 lbs (24.04 kg)


  • Total Pieces
  • Availability
  • Height
    17.13" (43.51 cm)
  • Width
    16.5" (41.91 cm)
  • Depth
    16.5" (41.91 cm)
  • Weight
    45 lbs (20.41 kg)
  • Subwoofer Array Driver Enclosure Type
    Downward Firing Slot Port
  • Subwoofer Array Driver Complement
    • (1)  12" (30.48 cm) d (Round) Dynamic Balance polymer composite cone driver - Subwoofer

Internal Amplifier

  • Power
    400 watts

Audio Quality

  • Lower and Upper -3dB Limits
    25 Hz → 125 Hz

Key Features

Dynamic Balance®

Patented Polk Audio technology and construction techniques produce powerful, deep bass performance, especially when you need it most.

Klippel Distortion Analyzer

State-of-the-art optimizations to the motor structure, voice coil alignment and suspension ensure the best, most efficient performance at all volumes.

Expertly Crafted

Slot-loaded port design, lightweight polypropylene cones and durable rubber surrounds engineered for perfect volume, superior damping and deep, distortion-free bass response.

Maximum Efficiency

Proprietary intelligent amplifiers generate minimal heat and need less power to sound great, even at extreme listening levels.

Night Mode

Lower the subwoofer’s intensity quickly and easily—right from the remote control.

Exclusive PRO™ Technology

Polk Room Optimizer (PRO) features four-way phase selection, four presets and an easy-to-read, blue status LED so you can adjust your subwoofer for optimal performance without leaving your seat.

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