DSW PRO 440 wi

8" High Performance Subwoofer

  • Compact subwoofer delivers smooth, powerful bass from anywhere in the room
  • 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
  • 429.95 Each

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Small Sub, Deep Bass

The DSW PRO 440 wi delivers solid low-frequency effects everywhere it goes. Whether placed in a corner or tucked away in a cabinet, this smart, powerful subwoofer gives you placement flexibility like nothing else. It’s the easiest way to add powerful impact to your compact speaker array or sleek SurroundBar® installation.

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.

  • Tech Specs
  • Reviews
  • Q & A
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Tech Specs


  • Total Pieces


  • Remote Type
    Infared (IR)


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

Shipping Cartons

  • Carton 1
    35 lbs (15.88 kg)


  • Total Pieces
  • Availability
  • Height
    14.63" (37.16 cm)
  • Width
    13.75" (34.93 cm)
  • Depth
    13.75" (34.93 cm)
  • Weight
    30 lbs (13.61 kg)
  • Driver Enclosure Type
    Downward Firing Slot Port
Q & A

Product Documentation

Here's Where to Find Your Nearest Polk Dealer